<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0304-2847</journal-id>
<journal-title><![CDATA[Revista Facultad Nacional de Agronomía Medellín]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Nac. Agron. Medellín]]></abbrev-journal-title>
<issn>0304-2847</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias - Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0304-28472021000209499</article-id>
<article-id pub-id-type="doi">10.15446/rfnam.v74n2.91107</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cadmio en suelos y granos de cacao de origen peruano y sudamericano]]></article-title>
<article-title xml:lang="es"><![CDATA[Cadmium in soil and cacao beans of Peruvian and South American origin]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rofner]]></surname>
<given-names><![CDATA[Nelino Florida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Agraria de la Selva  ]]></institution>
<addr-line><![CDATA[Huánuco ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2021</year>
</pub-date>
<volume>74</volume>
<numero>2</numero>
<fpage>9499</fpage>
<lpage>9515</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0304-28472021000209499&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0304-28472021000209499&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0304-28472021000209499&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Cadmium tends to bioaccumulate in different parts of cacao plant and its consumption can lead to serious health complications; due to this, the European Union (EU) established limits for tolerable concentrations of cadmium in cacao products as a preventive measure, which took effect as of January 2019. In South America and Peru, a sustained growth in cacao production has been recorded over the last 10 years, but scientific studies reveal that in some areas the cadmium levels of the soil and cacao beans exceed those established by the EU, thus, jeopardizing marketing and export possibilities to the EU. With this in mind, the purpose of this review was to compile information on the cadmium that is available in the soil, its accumulation in cacao beans, and the advances in treatment technologies; as well as to analyze the potential effects this has on cacao exports of South American origin, using Peru as a case analysis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El cadmio tiende a bioacumularse en distintas partes de la planta de cacao y su consumo puede conducir a graves complicaciones de salud; por ello, como medida preventiva, la Unión Europea (UE) estableció concentraciones tolerables de cadmio a productos derivados del cacao, el cual entró en vigencia desde enero del 2019. En Sudamérica y el Perú la producción de cacao registra un crecimiento sostenido en los últimos 10 años y estudios científicos revelan que algunas zonas presentan niveles de cadmio en suelos y granos que superan lo establecido por la UE, poniendo en riesgo sus posibilidades de comercialización y exportación hacia la UE. En ese sentido, el propósito de esta revisión fue compilar información sobre el cadmio disponible en suelos y su acumulación en granos de cacao, los avances en tecnologías de tratamiento y analizar los potenciales efectos en las exportaciones del cacao de origen sudamericano, tomando Perú como análisis de caso.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bioacumulación]]></kwd>
<kwd lng="es"><![CDATA[Niveles de cadmio]]></kwd>
<kwd lng="es"><![CDATA[Reglamento de la Union Europea]]></kwd>
<kwd lng="es"><![CDATA[Geo distribución]]></kwd>
<kwd lng="es"><![CDATA[Tecnologías de tratamiento]]></kwd>
<kwd lng="en"><![CDATA[Bioaccumulation]]></kwd>
<kwd lng="en"><![CDATA[Cadmium levels]]></kwd>
<kwd lng="en"><![CDATA[European Union regulations]]></kwd>
<kwd lng="en"><![CDATA[Geo-distribution]]></kwd>
<kwd lng="en"><![CDATA[Treatment technologies]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acevedo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Carrasco]]></surname>
<given-names><![CDATA[M.A]]></given-names>
</name>
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ahumada]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Borie]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Informe sobre criterios de calidad de suelos agrícolas]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Chile ]]></publisher-loc>
<publisher-name><![CDATA[Servicio Agrícola y Ganadero]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguirre-Forero]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Piraneque-Gambasica]]></surname>
<given-names><![CDATA[NV]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez-Polo]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contenido de metales pesados en suelos y tejidos de cacao en el departamento del Magdalena, Colombia: énfasis en cadmio]]></article-title>
<source><![CDATA[Entramado]]></source>
<year>2021</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>298-310</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ahemad]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Enhancing phytoreme diation of chromium-stressed soils through plant- growth-promoting bacteria]]></article-title>
<source><![CDATA[Journal of Genetic Engineering and Biotechnology]]></source>
<year>2015</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>51-8</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ali]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hussain]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ullah]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[FS]]></given-names>
</name>
<name>
<surname><![CDATA[Kausar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rashid]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Rabbani]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Imran]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kakar]]></surname>
<given-names><![CDATA[KU]]></given-names>
</name>
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Cai]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Hussain]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fitotoxicidad del cadmio: problemas, avances, preocupaciones ambientales, y perspectivas futuras]]></article-title>
<source><![CDATA[Revista De La Facultad De Ciencias Agrarias UNCuyo]]></source>
<year>2020</year>
<volume>52</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>391-405</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<source><![CDATA[Níveis de cádmio no solo e na água de consumo em Buriticupu-MA]]></source>
<year>2016</year>
<publisher-name><![CDATA[Escola Nacional de Saúde Pública Sérgio Arouca]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antoine]]></surname>
<given-names><![CDATA[JMR]]></given-names>
</name>
<name>
<surname><![CDATA[Hoo Fung]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[CN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessment of the potential health risks associated with the aluminium, arsenic, cadmium and lead content in selected fruits and vegetables grown in Jamaica]]></article-title>
<source><![CDATA[Toxicology Reports]]></source>
<year>2017</year>
<numero>4</numero>
<issue>4</issue>
<page-range>181-7</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antolinez]]></surname>
<given-names><![CDATA[EY]]></given-names>
</name>
<name>
<surname><![CDATA[Almanza]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Barona]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<name>
<surname><![CDATA[Polanco]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current state of cocoa plantation: A review of its main limitations]]></article-title>
<source><![CDATA[Ciencia y Agricultura]]></source>
<year>2020</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Araujo-Abad]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Villamarín-Ortiz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Verificación del método analítico de espectroscopía de absorción atómica con horno de grafito para la cuantificación de cadmio en almendra de cacao (Theobroma cacao)]]></article-title>
<source><![CDATA[La Granja: Revista de Ciencias de la Vida]]></source>
<year>2020</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>59-73</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Argüello]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Chavez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Lauryssen]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Vanderschueren]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Smolders]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Montalvo]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil properties and agronomic factors affecting cadmium concentrations in cacao beans: a nationwide survey in Ecuador]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2019</year>
<numero>649</numero>
<issue>649</issue>
<page-range>120-7</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arévalo-Gardini]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Arévalo-Hernández]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[ZL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy metal accumulation in leaves and beans of cacao (Theobroma cacao L.) in major cacao growing regions in Peru]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2017</year>
<numero>605-606</numero>
<issue>605-606</issue>
<page-range>792-800</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arévalo-Gardini]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Obando-Cerpa]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Zúñiga-Cernades]]></surname>
<given-names><![CDATA[LB]]></given-names>
</name>
<name>
<surname><![CDATA[Arévalo-Hernández]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[ZL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy metals in soils of cocoa plantations (Theobroma cacao L.) in three regions of Peru]]></article-title>
<source><![CDATA[Ecología Aplicada]]></source>
<year>2016</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>81-9</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arévalo-Hernández]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Arévalo-Gardini]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Farfán-Pinedo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<source><![CDATA[Heavy metals in soils, leaves and grains of cocoa areas of Peru]]></source>
<year>2017</year>
<conf-name><![CDATA[ International Symposium on Cocoa Research (ISCR)]]></conf-name>
<conf-loc>Lima, Peru </conf-loc>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arvelo]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Maroto]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Montoya]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Current status of cocoa production, trade and cultivation in America]]></source>
<year>2017</year>
<publisher-name><![CDATA[IICA-bba]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barraza]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Rehkämper]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Schreck]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Lefeuvre]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Kreissig]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Coles]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Maurice]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium isotope fractionation in the soil - cacao systems of Ecuador: a pilot field study]]></article-title>
<source><![CDATA[The Royal Society of Chemistry]]></source>
<year>2019</year>
<numero>9</numero>
<issue>9</issue>
<page-range>34011-22</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barraza]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Schreck]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Leveque]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Uzu]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ruales]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Prunier]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Marquet]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Maurice]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium bioaccumulation and gastric bioaccessibility in cacao: A field study in areas impacted by oil activities in Ecuador]]></article-title>
<source><![CDATA[Environmental Pollution]]></source>
<year>2017</year>
<numero>229</numero>
<issue>229</issue>
<page-range>950-63</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bravo]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
<name>
<surname><![CDATA[Arboleda]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la calidad de la materia orgánica asociada con el uso y manejo de suelos en la retención de cadmio en sistemas altoandinos de Colombia]]></article-title>
<source><![CDATA[Acta Agronómica]]></source>
<year>2014</year>
<volume>63</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>164-74</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bohn]]></surname>
<given-names><![CDATA[HL]]></given-names>
</name>
<name>
<surname><![CDATA[McNeal]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[O`Conor]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil chemistry]]></source>
<year>1993</year>
<edition>1st</edition>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Limusa S.A.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cáceres]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Cultivable microorganisms associated with cadmium (cd) present in cocoa soils of the municipalities of yacopí and nile, as a bioremediation strategy]]></source>
<year>2017</year>
<conf-name><![CDATA[ International Symposium on Cocoa Research (ISCR)]]></conf-name>
<conf-date>2017</conf-date>
<conf-loc> </conf-loc>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Casteblanco]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Técnicas de remediación de metales pesados con potencial aplicación en el cultivo de cacao]]></article-title>
<source><![CDATA[La Granja Revista de Ciencias de la Vida]]></source>
<year>2018</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>21-35</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charrupi]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[DC]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio ambiental del cadmio y su relación con suelos destinados al cultivo de cacao en los departamentos de Arauca y Nariño]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[ZL]]></given-names>
</name>
<name>
<surname><![CDATA[Stoffella]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Mylavarapu]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Moyano]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Concentration of cadmium in cacao beans and its relationship with soil cadmium in southern Ecuador]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2015</year>
<numero>533</numero>
<issue>533</issue>
<page-range>205-14</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chambi]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluacion de la presencia de metales pesados en suelos agricolas y cultivos en tres micro-cuencas del municipio de Poopó]]></source>
<year>2010</year>
<publisher-name><![CDATA[Universidad Mayor de San Andrés]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chupillon-Cubas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Arévalo-Hernández]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Arévalo-Gardini]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Farfán-Pinedo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
</person-group>
<source><![CDATA[Acumulación de cadmio en seis genotipos de cacao utilizados como patrón]]></source>
<year>2017</year>
<conf-name><![CDATA[ International Symposium on Cocoa Research (ISCR-2017)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-3</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<collab>COPAIN</collab>
<source><![CDATA[Evaluación de cadmio en suelos y almendros de las regiones de Huánuco, Ucayali y San Martín]]></source>
<year>2014</year>
<publisher-name><![CDATA[COPAIN]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudo de competitividade do cacau e chocolate no Brasil: Desafios na produção e comércio global]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Brasil ]]></publisher-loc>
<publisher-name><![CDATA[UNESCO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Degryse]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Smolders]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Partitioning of metals (Cd, Co, Cu, Ni, Pb, Zn) in soils: concepts, methodologies, prediction and applications. A review]]></article-title>
<source><![CDATA[European Journal of Soil Science]]></source>
<year>2009</year>
<volume>60</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>590-612</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Bravo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Dominguez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinación de Cadmio y Plomo en almendras de cacao (Theobroma cacao), proveniente de fincas de productores orgánicos del cantón Vinces]]></article-title>
<source><![CDATA[Espirales]]></source>
<year>2018</year>
<volume>2</volume>
<numero>15</numero>
<issue>15</issue>
<page-range>77-92</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Engbersen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Gramlich]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gunnar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Hattendorf]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Gutierrez]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Schulin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium accumulation and allocation in different cacao cultivars]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2019</year>
<volume>15</volume>
<numero>678</numero>
<issue>678</issue>
<page-range>660-70</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<collab>EU</collab>
<article-title xml:lang=""><![CDATA[European Union, Regulation No. 488/2014. They modify EC Regulation No 1881/2006 regarding the maximum content of cadmium in food products]]></article-title>
<source><![CDATA[Official Journal of the European Union]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Florida]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Paucar]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Jacobo]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Escobar-Mamani]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de compost y NPK sobre los niveles de microorganismos y cadmio en suelo y almendra de cacao]]></article-title>
<source><![CDATA[Journal of High Andean Research]]></source>
<year>2019</year>
<volume>21</volume>
<numero>04</numero>
<issue>04</issue>
<page-range>264-73</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Florida]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Claudio]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El pH y la absorción de cadmio en almendras de cacao orgánico (Theobroma cacao L.) en: Leoncio Prado, Huánuco, Perú.]]></article-title>
<source><![CDATA[Folia Amazónica]]></source>
<year>2018</year>
<volume>27</volume>
<numero>01</numero>
<issue>01</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gramlich]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tandy]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gauggel]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Perla]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Schulin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil cadmium uptake by cocoa in Honduras]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2018</year>
<numero>612</numero>
<issue>612</issue>
<page-range>370-8</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gramlich]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tandy]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Andres]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Chincheros]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Armengot]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Schulin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium uptake by cocoa trees in agroforestry and monoculture systems under conventional and organic management]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2017</year>
<volume>15</volume>
<numero>580</numero>
<issue>580</issue>
<page-range>677-86</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<collab>GRSM</collab>
<source><![CDATA[Intervención del proyecto cacao en el departamento de San Martín-2019]]></source>
<year>2019</year>
<publisher-name><![CDATA[Gobierno Regional de San Martin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guarino]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Sciarrillo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effectiveness of in situ application of an Integrated Phytoremediation System (IPS) by adding a selected blend of rhizosphere microbes to heavily multicontaminated soils]]></article-title>
<source><![CDATA[Ecological Engineering]]></source>
<year>2017</year>
<numero>99</numero>
<issue>99</issue>
<page-range>70-82</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guerra-Sierra]]></surname>
<given-names><![CDATA[BE]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval-Meza]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Manrique-González]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Barrera-Rangel]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ensayos preliminares in vitro de biosorción de cadmio por cepas fúngicas nativas de suelos contaminados]]></article-title>
<source><![CDATA[Innovaciencia Facultad Cienc. Exactas Fis. Naturales]]></source>
<year>2014</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-8</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gunnar]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metales propiedades quimicas y toxicidad]]></article-title>
<source><![CDATA[Enciclopedia de salud y seguridad en el trabajo]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hashem]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Abd-Allah]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
<name>
<surname><![CDATA[Alqarawi]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Malik]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Wirth]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Egamberdieva]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of calcium in AMF-mediated alleviation of the adverse impacts of cadmium stress in Bassia indica [Wight]]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Saudi Journal of Biological Sciences]]></source>
<year>2016</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>828-38</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Stoffella]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chapter Four - Soil biogeochemistry, plant physiology, and phytoremediation of cadmium-contaminated soils]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Sparks]]></surname>
<given-names><![CDATA[D.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Advances in Agronomy]]></source>
<year>2015</year>
<volume>134</volume>
<page-range>135-225</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Baranda]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Hernández]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Peña-Icart]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Meriño-Hernández]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Cartaya-Rubio]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toxicidad del cadmio en las plantas y estrategias para disminuir sus efectos]]></article-title>
<source><![CDATA[Estudio de caso: El tomate. Cultivos Tropicales]]></source>
<year>2019</year>
<volume>40</volume>
<numero>03</numero>
<issue>03</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huamani]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Huauya]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Mansilla]]></surname>
<given-names><![CDATA[LG]]></given-names>
</name>
<name>
<surname><![CDATA[Florida]]></surname>
<given-names><![CDATA[RN]]></given-names>
</name>
<name>
<surname><![CDATA[Neira]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Presence of heavy metals in the cultivation of organic cocoa (Theobroma cacao L.)]]></article-title>
<source><![CDATA[Acta Agronómica]]></source>
<year>2012</year>
<volume>61</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>339-44</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<collab>ICO</collab>
<source><![CDATA[Cocoa beans, cash price]]></source>
<year>2020</year>
<publisher-name><![CDATA[International Cocoa Organization]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<collab>INEI</collab>
<source><![CDATA[National Agricultural Survey, Area harvested, according to main crops, comparative 2016-2017]]></source>
<year>2017</year>
<publisher-name><![CDATA[National Institute of Statistics and Informatics]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estado legal mundial del cadmio en cacao (Theobroma cacao L.): fantasía o realidad]]></article-title>
<source><![CDATA[Producción + Limpia]]></source>
<year>2015</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>89-104</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kabata-Pendias]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Trace elements in soil and plants]]></source>
<year>2010</year>
<edition>Fourth</edition>
<publisher-loc><![CDATA[Florida ]]></publisher-loc>
<publisher-name><![CDATA[Taylor &amp; Francis Group]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lanza]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Churión]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Liendo]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the content of heavy metals in cacao (Theobroma cacao L.) from Santa Bárbara del Zulia, Venezuela]]></article-title>
<source><![CDATA[Saber]]></source>
<year>2016</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>106-15</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Llatance]]></surname>
<given-names><![CDATA[WO]]></given-names>
</name>
<name>
<surname><![CDATA[Gonza]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Pariente]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioacumulación de cadmio en el cacao (Theobroma cacao) en la Comunidad Nativa de Pakun, Perú]]></article-title>
<source><![CDATA[Revista Forestal del Perú]]></source>
<year>2018</year>
<volume>33</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>63-75</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maddela]]></surname>
<given-names><![CDATA[NR]]></given-names>
</name>
<name>
<surname><![CDATA[Kakarla]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Chakraborty]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Venkateswarlu]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Megharaj]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cocoa-laden cadmium threatens human health and cacao economy: A critical view review]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2020</year>
<volume>10</volume>
<numero>720</numero>
<issue>720</issue>
<page-range>137-45</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marrugo-Negrete]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Pinedo-Hernández]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Díez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessment of heavy metal pollution, spatial distribution and origin in agricultural soils along the Sinú river basin, Colombia]]></article-title>
<source><![CDATA[Environmental Research]]></source>
<year>2017</year>
<numero>154</numero>
<issue>154</issue>
<page-range>380-8</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meter]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Atkinson]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Laliberte]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium in cocoa from Latin America and the Caribbean]]></article-title>
<source><![CDATA[Analysis of research and potential solutions for mitigation]]></source>
<year>2019</year>
<publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[Bioversity International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="book">
<collab>MINAGRI</collab>
<source><![CDATA[Cocoa Observatory]]></source>
<year>2019</year>
<publisher-name><![CDATA[Ministry of Agriculture and Irrigation]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="book">
<collab>MINAGRI</collab>
<source><![CDATA[Study of cocoa in Peru and in the world; current situation and prospects in the national and international market to 2015]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Peru ]]></publisher-loc>
<publisher-name><![CDATA[Ministry of Agriculture and Irrigation]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<collab>MINAM</collab>
<source><![CDATA[Supreme Decree DS 011-2017-MINAM. They approve Environmental Quality Standards for Soil-EQS]]></source>
<year>2017</year>
<publisher-name><![CDATA[Ministry of the Environment]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mite]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Durango]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<source><![CDATA[Advances in monitoring the presence of cadmium in cocoa beans, soils and waters in Ecuador]]></source>
<year>2010</year>
<conf-name><![CDATA[ Acts XII Ecuadorian Congress of Soil Science]]></conf-name>
<conf-date>2010</conf-date>
<conf-loc> </conf-loc>
<page-range>1-21</page-range></nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mohamed]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Mohamed]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Allam]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Abdel]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioavailability of cadmium and nickel to Daucus carota L. and Corchorus olitorius L. treated by compost and microorganisms]]></article-title>
<source><![CDATA[Soil Environment]]></source>
<year>2017</year>
<volume>36</volume>
<numero>01</numero>
<issue>01</issue>
<page-range>01-12</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[BE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[¿Qué sabe usted acerca de...cacao?]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Farmacéuticas]]></source>
<year>2012</year>
<volume>43</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>79-81</page-range></nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Motamayor]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Lachenaud]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[da]]></given-names>
</name>
<name>
<surname><![CDATA[Mota]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Loor]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Kuhn]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diferenciación poblacional geográfica y genética del árbol del chocolate amazónico (Theobroma cacao L)]]></article-title>
<source><![CDATA[PLoS ONE]]></source>
<year>2008</year>
<volume>3</volume>
<numero>10</numero>
<issue>10</issue>
</nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Niño]]></surname>
<given-names><![CDATA[ID]]></given-names>
</name>
</person-group>
<source><![CDATA[Cuantificación de cadmio en cacao proveniente del occidente de Boyacá por la tecnica analitica de voltamperometría]]></source>
<year>2015</year>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Rubio]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Epquin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Marlo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Leiva]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium uptake in native cacao trees in agricultural lands of Bagua, Peru]]></article-title>
<source><![CDATA[Agronomy]]></source>
<year>2020</year>
<volume>10</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1551</page-range></nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Milani]]></surname>
<given-names><![CDATA[RF]]></given-names>
</name>
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Efraim]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Morgano]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Tfouni]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cádmio e chumbo em amêndoas de cacau do Brasil]]></source>
<year>2019</year>
<conf-name><![CDATA[ 13Latin American Food Science Symposium]]></conf-name>
<conf-date>2019</conf-date>
<conf-loc> </conf-loc>
<page-range>1-2</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pastor]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
</person-group>
<source><![CDATA[Niveles de cadmio en chocolate: NM y ECA, sí; OTC, no]]></source>
<year>2017</year>
<conf-name><![CDATA[ Proceedings of the International Symposium on Cocoa Research]]></conf-name>
<conf-date>2017</conf-date>
<conf-loc> </conf-loc>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Furtado]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Mangabeiraa]]></surname>
<given-names><![CDATA[PAO]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[JO]]></given-names>
</name>
<name>
<surname><![CDATA[Pirovania]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Ahnerta]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Baligar]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Photosynthetic, antioxidative, molecular and ultrastructural responses of young cacao plants to Cd toxicity in the soil]]></article-title>
<source><![CDATA[Ecotoxicology and Environmental Safety]]></source>
<year>2017</year>
<volume>144</volume>
<numero>2017</numero>
<issue>2017</issue>
<page-range>148-57</page-range></nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
<name>
<surname><![CDATA[Azcona]]></surname>
<given-names><![CDATA[MI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Los efectos del cadmio en la salud]]></article-title>
<source><![CDATA[Revista de Especialidades Médico-Quirúrgicas]]></source>
<year>2012</year>
<volume>17</volume>
<numero>03</numero>
<issue>03</issue>
<page-range>199-205</page-range></nlm-citation>
</ref>
<ref id="B64">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Román]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminación y fitotoxicidad en plantas por metales pesados del suelo y el agua]]></article-title>
<source><![CDATA[Tropical and Subtropical Agroecosystems]]></source>
<year>2009</year>
<volume>10</volume>
<numero>01</numero>
<issue>01</issue>
<page-range>29-44</page-range></nlm-citation>
</ref>
<ref id="B65">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pulgar]]></surname>
<given-names><![CDATA[VJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The eight natural regions of Peru]]></article-title>
<source><![CDATA[Terra Brasilis]]></source>
<year>2014</year>
<numero>3</numero>
<issue>3</issue>
<page-range>1-20</page-range></nlm-citation>
</ref>
<ref id="B66">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramtahal]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Umaharan]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Hanuman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Ali]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effectiveness of soil amendments, biochar and lime, in mitigating cadmium bioaccumulation in Theobroma cacao L]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2019</year>
<numero>693</numero>
<issue>693</issue>
<page-range>1335-63</page-range></nlm-citation>
</ref>
<ref id="B67">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Revoredo]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Efecto del tratamiento con 3 cepas de Streptomycetes sobre la acumulación de cadmio en plantas de Theobroma cacao L]]></source>
<year>2017</year>
<conf-name><![CDATA[ International Symposium on Cocoa Research (ISCR)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B68">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vergara]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy metal contamination: implications in health, environment and food safety]]></article-title>
<source><![CDATA[Revista Ingeniería, Investigación y Desarrollo]]></source>
<year>2016</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>66-77</page-range></nlm-citation>
</ref>
<ref id="B69">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[HS]]></given-names>
</name>
<name>
<surname><![CDATA[Darghan]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
<name>
<surname><![CDATA[Henao]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial regression modeling of soils with high cadmium content in a cocoa producing area of Central Colombia]]></article-title>
<source><![CDATA[Regional Geoderma]]></source>
<year>2019</year>
<numero>16</numero>
<issue>16</issue>
<page-range>214-22</page-range></nlm-citation>
</ref>
<ref id="B70">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Romero-Estévez]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Yánez-Jácome]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Simbaña-Farinango]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Navarrete]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Content and the relationship between cadmium, nickel, and lead concentrations in Ecuadorian cocoa beans from nine provinces]]></article-title>
<source><![CDATA[Food Control]]></source>
<year>2019</year>
<volume>106</volume>
<numero>106750</numero>
<issue>106750</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B71">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Rivero]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmio disponible en dos suelos de Venezuela: efecto del fósforo]]></article-title>
<source><![CDATA[Revista Ingenieía UC]]></source>
<year>2011</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>7-14</page-range></nlm-citation>
</ref>
<ref id="B72">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scaccabarozzi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Aromatisi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Milne]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Búllon]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz-Rojas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil, site, and management factors affecting cadmium concentrations in cacao-growing soils]]></article-title>
<source><![CDATA[Agronomy]]></source>
<year>2020</year>
<volume>10</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>806</page-range></nlm-citation>
</ref>
<ref id="B73">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis comparativo de los niveles de cadmio en suelo aquic dystropepts, fluventic dystropepts y una pradera con pastura en reposo en la vereda rincón de Pompeya, Villavicencio, Meta]]></source>
<year>2019</year>
<publisher-loc><![CDATA[Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Santo Tomás]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B74">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[BK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of nano-TiO2 particles on the bioaccumulation of Cd in soybean plants (Glycine max): A possible mechanism for the removal of Cd from the contaminated soil]]></article-title>
<source><![CDATA[Journal of Environmental Management]]></source>
<year>2016</year>
<numero>170</numero>
<issue>170</issue>
<page-range>88-96</page-range></nlm-citation>
</ref>
<ref id="B75">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tantalean]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Huauya]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribución del contenido de cadmio en los diferentes órganos del cacao CCN-51 en suelo aluvial y residual en las localidades de Jacintillo y Ramal de Aspuzana]]></article-title>
<source><![CDATA[Revista de Investigación de Agroproducción Sustentable]]></source>
<year>2017</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>69-78</page-range></nlm-citation>
</ref>
<ref id="B76">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tariq]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Ashraf]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative evaluation of phytoremediation of metal contaminated soil of firing range by four different plant species]]></article-title>
<source><![CDATA[Arabian Journal of Chemistry]]></source>
<year>2016</year>
<volume>9</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>806-14</page-range></nlm-citation>
</ref>
<ref id="B77">
<nlm-citation citation-type="book">
<collab>USEPA</collab>
<source><![CDATA[Supplemental guidance for developing soil screening levels for superfund sites]]></source>
<year>2002</year>
<publisher-name><![CDATA[United States Environmental Protection Agency]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B78">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zug]]></surname>
<given-names><![CDATA[KLM]]></given-names>
</name>
<name>
<surname><![CDATA[Huamaní]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Meyberg]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Meyberg]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Cierjacks]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cadmium Accumulation in Peruvian Cacao (Theobroma cacao L.) and opportunities for mitigation]]></article-title>
<source><![CDATA[Water Air Soil Pollution]]></source>
<year>2019</year>
<volume>230</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>72-80</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
