<?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>0120-3347</journal-id>
<journal-title><![CDATA[Colombian Journal of Anestesiology]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. anestesiol.]]></abbrev-journal-title>
<issn>0120-3347</issn>
<publisher>
<publisher-name><![CDATA[SCARE-Sociedad Colombiana de Anestesiología y Reanimación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-33472021000100501</article-id>
<article-id pub-id-type="doi">10.5554/22562087.e913</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Assessing the methodological quality of systematic reviews using the AMSTAR tool]]></article-title>
<article-title xml:lang="es"><![CDATA[¿Cómo evaluar la calidad metodológica de las revisiones sistemáticas a través de la herramienta AMSTAR?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pizarro]]></surname>
<given-names><![CDATA[Ana Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvajal]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buitrago-López]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Javeriana Nursing School ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana Medical School ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana Medical School Department of Clinical Epidemiology and Biostatistics]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>49</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472021000100501&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472021000100501&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472021000100501&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction Making decisions based on evidence has been a challenge for health professionals, given the need to have the tools and skills to carry out a critical appraisal of the evidence and assess the validity of the results. Systematic reviews of the literature (SRL) have been used widely to answer questions in the clinical field. Tools have been developed that support the appraisal of the quality of the studies. AMSTAR is one of these, validated and supported by reproducible evidence, which guides the methodological quality of the SRL.  Objectives To show a historical, theoretical and practical guide for critical assessment of systematic reviews using AMSTAR to guide the argumental bases for their use according to the components of this methodological structure in health research, and to provide practical examples of how to apply this checklist.  Methods We conducted a non-exhaustive review of literature in Pubmed and Cochrane Library using "AMSTAR" and "Systematic Reviews" as free terms without language or publication date limit; we also collected information from experts in the evaluation of the quality of the evidence.  Conclusions AMSTAR is an instrument used, validated and supported by reproducible evidence for the evaluation of the internal validity of systematic reviews of the literature. It consists of 16 items that assess the overall methodological quality of a SRL. It is currently used indiscriminately and favorably, but it is not exempt from limitations and future updates based on new reproducibility and validation studies.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción Tomar decisiones basadas en la evidencia ha sido un reto para profesionales de la salud; se requiere tener herramientas y habilidades para apreciar la evidencia críticamente y evaluar la validez de los resultados. Las revisiones sistemáticas de la literatura (RSL) han sido muy usadas para dar respuesta a preguntas del ámbito clínico. Se han desarrollado herramientas que apoyan la apreciación de la calidad de los estudios. El AMSTAR es una de estas, validada y soportada por evidencia reproducible que orienta la calidad metodológica de las RSL.  Objetivos Mostrar un abordaje histórico, teórico y de guía práctica para la apreciación crítica de las revisiones sistemáticas con el AMSTAR, orientar las bases argumentales para su uso, según los componentes de esta estructura metodológica en investigación en salud, y proporcionar ejemplos prácticos sobre cómo aplicar esta lista de chequeo.  Métodos Realizamos una revisión no exhaustiva de literatura en PubMed y The Cochrane Library con los términos libres "AMSTAR" y "revisiones sistemáticas'', sin límite de idioma o año de publicación; también, recolectamos información de expertos en evaluación de la calidad de la evidencia.  Conclusiones El AMSTAR es un instrumento validado y soportado por evidencia reproducible para la evaluación de la validez interna de las revisiones sistemáticas de la literatura. Consiste en 16 ítems que evalúan de manera global la calidad metodológica de una RSL. Actualmente, se usa de manera indiscriminada y predilecta, pero no está exenta de limitaciones y futuras actualizaciones basadas en nuevos estudios de reproducibilidad y validación.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[AMSTAR]]></kwd>
<kwd lng="en"><![CDATA[systematic review]]></kwd>
<kwd lng="en"><![CDATA[quality assessment]]></kwd>
<kwd lng="en"><![CDATA[clinical evidence]]></kwd>
<kwd lng="en"><![CDATA[reliability]]></kwd>
<kwd lng="en"><![CDATA[validity]]></kwd>
<kwd lng="en"><![CDATA[epidemiological methods]]></kwd>
<kwd lng="en"><![CDATA[meta-analysis as topic]]></kwd>
<kwd lng="es"><![CDATA[AMSTAR]]></kwd>
<kwd lng="es"><![CDATA[revisión sistemática]]></kwd>
<kwd lng="es"><![CDATA[evaluación de calidad]]></kwd>
<kwd lng="es"><![CDATA[evidencia clínica]]></kwd>
<kwd lng="es"><![CDATA[fiabilidad]]></kwd>
<kwd lng="es"><![CDATA[validez]]></kwd>
<kwd lng="es"><![CDATA[métodos epidemiológicos]]></kwd>
<kwd lng="es"><![CDATA[metaanálisis como tema]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaitán Duarte]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas Reyes]]></surname>
<given-names><![CDATA[MX]]></given-names>
</name>
<name>
<surname><![CDATA[Feliciano-Alfonso]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Búsqueda, evaluación y síntesis de la evidencia de efectividad y seguridad en evaluaciones de tecnología: Manual metodológico]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Washington, D.C ]]></publisher-loc>
<publisher-name><![CDATA[BID]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Higgins]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cochrane handbook for systematic reviews of interventions Version 5.1.0]]></source>
<year>2011</year>
<publisher-name><![CDATA[The Cochrane Collaboration]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cañón]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrago-Gómez]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La pregunta de investigación en la práctica clínica: guía para formularla]]></article-title>
<source><![CDATA[Rev Colomb Psiquiatr]]></source>
<year>2018</year>
<volume>47</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>193-200</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beltrán]]></surname>
<given-names><![CDATA[Ó]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Revisiones sistemáticas de la literatura]]></article-title>
<source><![CDATA[Rev Colomb Gastroenterol]]></source>
<year>2005</year>
<numero>20</numero>
<issue>20</issue>
<page-range>60-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sackett]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Rosenberg]]></surname>
<given-names><![CDATA[WMC]]></given-names>
</name>
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[JAM]]></given-names>
</name>
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Richardson]]></surname>
<given-names><![CDATA[WS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence based medicine: what it is and what it isn't]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>1996</year>
<volume>312</volume>
<numero>7023</numero>
<issue>7023</issue>
<page-range>71-2</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Jundi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sakka]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Critical appraisal of clinical research]]></article-title>
<source><![CDATA[J Clin Diagn Res]]></source>
<year>2017</year>
<volume>11</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>JE01-5</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gopalakrishnan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ganeshkumar]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic reviews and meta-analysis: understanding the best evidence in primary healthcare]]></article-title>
<source><![CDATA[J Fam Med Prim Care]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Lowe]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Literature reviews vs systematic reviews]]></article-title>
<source><![CDATA[Aust N Z J Public Health]]></source>
<year>2015</year>
<volume>39</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>103</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<collab>Evidence-Based Medicine Working Group</collab>
<article-title xml:lang=""><![CDATA[Evidence-based medicine. A new approach to teaching the practice of medicine]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>1992</year>
<volume>268</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>2420-5</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz Morales]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Restrepo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Epidemiología clínica: investigación clínica aplicada]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Bogotá ]]></publisher-loc>
<publisher-name><![CDATA[Médica Panamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guyatt]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rennie]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Meade]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Users' Guides to the medical literature: A Manual for evidence-based clinical practice]]></source>
<year>2008</year>
<edition>3</edition>
<publisher-name><![CDATA[McGraw-Hill Medical]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oxman]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Checklists for review articles]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>1994</year>
<volume>309</volume>
<numero>6955</numero>
<issue>6955</issue>
<page-range>648-51</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oxman]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Guyatt]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of an index of the quality of review articles]]></article-title>
<source><![CDATA[J Clin Epidemiol]]></source>
<year>1991</year>
<volume>44</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1271-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moher]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Eastwood]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Olkin]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Rennie]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Stroup]]></surname>
<given-names><![CDATA[DF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement. Quality of Reporting of Meta-analyses]]></article-title>
<source><![CDATA[Lancet (London, England)]]></source>
<year>1999</year>
<volume>354</volume>
<numero>9193</numero>
<issue>9193</issue>
<page-range>1896-900</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pussegoda]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Garritty]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mayhew]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Skidmore]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identifying approaches for assessing methodological and reporting quality of systematic reviews: a descriptive study]]></article-title>
<source><![CDATA[Syst Rev]]></source>
<year>2017</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>117</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Dub]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Moher]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessing the quality of reports of systematic reviews: The QUOROM statement compared to other tools]]></article-title>
<source><![CDATA[Systematic reviews in health care]]></source>
<year>2001</year>
<page-range>122-39</page-range><publisher-loc><![CDATA[ondon, UK ]]></publisher-loc>
<publisher-name><![CDATA[BMJ Publishing Group]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pussegoda]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Garritty]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mayhew]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Skidmore]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review adherence to methodological or reporting quality]]></article-title>
<source><![CDATA[Syst Rev]]></source>
<year>2017</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>131</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pieper]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Koensgen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Breuing]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ge]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Wegewitz]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How is AMSTAR applied by authors - a call for better reporting]]></article-title>
<source><![CDATA[BMC Med Res Methodol]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Thuku]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hamel]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Moran]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[AMSTAR 2: a critical appraisal tool for systematic reviews that include randomised or non-randomised studies of healthcare interventions, or both]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2017</year>
<volume>58</volume>
<page-range>j4008</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<collab>AMSTAR Assesing the Methodological Quality of Systematic Reviews</collab>
<source><![CDATA[The Development of Amstar]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Ottawa, ON Canada ]]></publisher-loc>
<publisher-name><![CDATA[Bruyère Research Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Egger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Davey Smith]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spurious precision? Meta-analysis of observational studies]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>1998</year>
<volume>316</volume>
<numero>7125</numero>
<issue>7125</issue>
<page-range>140-4</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bouter]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Peterson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Boers]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Andersson]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[External validation of a measurement tool to assess systematic reviews (AMSTAR)]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Gagnier]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[PLoS One]]></source>
<year>2007</year>
<volume>2</volume>
<numero>12</numero>
<issue>12</issue>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hamel]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Bouter]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Kristjansson]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Grimshaw]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[AMSTAR is a reliable and valid measurement tool to assess the methodological quality of systematic reviews]]></article-title>
<source><![CDATA[J Clin Epidemiol]]></source>
<year>2009</year>
<volume>62</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1013-20</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sterne]]></surname>
<given-names><![CDATA[JAC]]></given-names>
</name>
<name>
<surname><![CDATA[Egger]]></surname>
<given-names><![CDATA[MMD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chapter 10: Addressing reporting biases]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Higgins JPT]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cochrane handbook for systematic reviews of intervention]]></source>
<year>2011</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
