<?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>1657-9534</journal-id>
<journal-title><![CDATA[Colombia Médica]]></journal-title>
<abbrev-journal-title><![CDATA[Colomb. Med.]]></abbrev-journal-title>
<issn>1657-9534</issn>
<publisher>
<publisher-name><![CDATA[Universidad del Valle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1657-95342016000300155</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Health care utilization of mexican patients with medically unexplained physical symptoms]]></article-title>
<article-title xml:lang="es"><![CDATA[Uso de los servicios de salud de pacientes mexicanos con síntomas físicos medicamente inexplicables]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Azucena Maribel Rodriguez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aranda]]></surname>
<given-names><![CDATA[José Manuel Ramírez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reséndiz]]></surname>
<given-names><![CDATA[Homero de los Santos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[María Yolanda Lara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zanella]]></surname>
<given-names><![CDATA[Santiago Oscar Pazaran]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Jafet Felipe Méndez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfaro]]></surname>
<given-names><![CDATA[Issa Gil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Islas Ruz]]></surname>
<given-names><![CDATA[Félix Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarrete Floriano]]></surname>
<given-names><![CDATA[Gloria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillen Salomón]]></surname>
<given-names><![CDATA[Edith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Texon Fernández]]></surname>
<given-names><![CDATA[Obdulia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Duarte]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romo Salazar]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Ruiz]]></surname>
<given-names><![CDATA[Claudia Elsa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salas]]></surname>
<given-names><![CDATA[Sara de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez Amaya]]></surname>
<given-names><![CDATA[Lizbeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zapata Gallardo]]></surname>
<given-names><![CDATA[Javier Nahum]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Red Mexicana de Investigadores en Medicina Familiar  ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo Leon]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Secretaria de Salud de Nuevo León  ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo Leon]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autonoma de Nuevo Leon Departamento de Medicina Familiar Hospital Universitario "Dr. José Eleuterio González"]]></institution>
<addr-line><![CDATA[Monterrey Nuevo Leon]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Colegio Mexicano de Medicina Familiar  ]]></institution>
<addr-line><![CDATA[Ciudad de Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Facultad de Medicina de Tampico ]]></institution>
<addr-line><![CDATA[Tamaulipas ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[Ciudad de Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>47</volume>
<numero>3</numero>
<fpage>155</fpage>
<lpage>159</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1657-95342016000300155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1657-95342016000300155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1657-95342016000300155&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the prevalence of medically unexplained physical symptoms and the characteristics and use of health services in a group of patients with medically unexplained physical symptoms and a group of patients with other illnesses.  Methods: This was a cross-sectional, retrospective and multicenter study. We included 1,043 patients over 18 years of age from 30 primary care units of a government health institution, in 11 states of Mexico, attended by 39 family physicians. The prevalence of medically unexplained physical symptoms was determined and both groups with or without symptoms were compared with regard to drug use, laboratory and other studies, leaves of absence, and referrals in the last six months. The group with medically unexplained physical symptoms was diagnosed using the Patient Health Questionnaire and the diagnostic criteria of Reid et al. Emergency or terminal illnesses were excluded. The chi square test was used with a statistical significance of p &lt; 0.05.  Results: Medically unexplained physical symptoms was diagnosed in 73 patients (7.0%). The majority were women (91.8%); their predominant symptom was from the gastrointestinal system in 56 (76.7%). This group had a greater use of clinical studies and referrals to other services (mean 1.1 vs. 0.5; p &lt;0.0001 and 0.6 vs. 0.8; p &lt; 0.01, respectively).  Conclusions: The prevalence of medically unexplained physical symptoms was low, but with a greater impact on some health services. This could represent an overload in medical costs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Determinar la prevalencia de Síntomas Físicos Medicamente No Explicables y las características y uso de los servicios de salud entre el grupo de pacientes con Síntomas Físicos Medicamente No Explicables, y el grupo con otras enfermedades.  Métodos:  Estudio transversal, retroprospectivo y multicéntrico. Se incluyeron a 1,043 pacientes mayores de 18 años, en 30 unidades de atención primaria de una institución gubernamental en salud, en 11 estados de la República Mexicana, atendidos por 39 médicos familiares. Se estimó la prevalencia de Síntomas Físicos Medicamente No Explicables y se compararon los dos grupos con y sin estos síntomas, en cuanto al uso de medicamentos, estudios de laboratorio, de gabinete, incapacidades y referencias en los últimos seis meses. El grupo de Síntomas Físicos Medicamente No Explicables fue diagnosticado por el Patient Health Questionnaire (son los síntomas físicos más comúnmente referidos por estos pacientes en el primer nivel de atención), además de criterios diagnósticos de Reid et al. Se excluyeron urgencias o con enfermedad terminal. Se utilizó prueba Chi cuadrada con p &lt;0.05 para significancia estadística.  Resultados:  El 7.0% (73) se diagnosticó como Síntomas Físicos Medicamente No Explicables, la mayoría mujeres (91.8%); el síntoma predominante pertenece al sistema gastrointestinal con 76.7% (56). Este grupo demandó mayor uso de estudios de gabinete y referencias a otros servicios (media 1.1 vs. 0.5; p &lt;0.0001 y 0.8 vs 0.6; p &lt;0.01, respectivamente).  Conclusiones:  La prevalencia de Síntomas Físicos Medicamente No Explicables fue baja, pero con impacto significativo en el uso de algunos servicios de salud. Esto pudiera representar un mayor costo comparado con otro grupo de pacientes.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Somatization disorder]]></kwd>
<kwd lng="en"><![CDATA[somatization]]></kwd>
<kwd lng="en"><![CDATA[health care institutions]]></kwd>
<kwd lng="en"><![CDATA[health care services]]></kwd>
<kwd lng="en"><![CDATA[primary health care]]></kwd>
<kwd lng="en"><![CDATA[family medicine ambulatory care]]></kwd>
<kwd lng="en"><![CDATA[physician-patient relations]]></kwd>
<kwd lng="es"><![CDATA[Transtorno de somatización]]></kwd>
<kwd lng="es"><![CDATA[somatización]]></kwd>
<kwd lng="es"><![CDATA[instituciones de salud]]></kwd>
<kwd lng="es"><![CDATA[servicios de salud]]></kwd>
<kwd lng="es"><![CDATA[atención primaria de salud]]></kwd>
<kwd lng="es"><![CDATA[medicina familiar atención ambulatoria]]></kwd>
<kwd lng="es"><![CDATA[relación medico-paciente]]></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[Pincus]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Wise]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Michel]]></surname>
<given-names><![CDATA[BF]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual diagnóstico y estadístico de los trastornos mentales:Atención primaria]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Masson]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Patients repeatedly referred to secondary care with symptoms unexplained by organic disease prevalence, characteristics and referral pattern]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[McGorm]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Burton]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Weller]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Murray]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Sharpe]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Fam Pract]]></source>
<year>2010</year>
<volume>27</volume>
<page-range>479-86</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Patients with persistent medically unexplained physical symptoms a descriptive study from Norwegian general practice]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aamland]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Malterud]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Werner]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
</person-group>
<source><![CDATA[BMC Fam Pract]]></source>
<year>2014</year>
<volume>15</volume>
<page-range>107</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estimating the prevalence of medically unexplained symptoms from primary care records]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morris]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lindson]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Coupland]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Dex]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Avery]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Public Health]]></source>
<year>2012</year>
<volume>126</volume>
<page-range>846-54</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Medically unexplained symptoms an epidemiological study in seven specialties]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nimnuan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hotopf]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wessely]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[J Psychosom Res]]></source>
<year>2001</year>
<volume>51</volume>
<page-range>361-7</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pacientes con síntomas somáticos no explicables]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Granel]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Evid Actual Pract Ambul]]></source>
<year>2006</year>
<volume>9</volume>
<page-range>176-80</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Classification and diagnosis of patients with medically unexplained symptoms]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Dwamena]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
</person-group>
<source><![CDATA[J Gen Intern Med]]></source>
<year>2007</year>
<volume>22</volume>
<page-range>685-91</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<collab>American Psychiatric Association</collab>
<source><![CDATA[Manual Diagnóstico y Estadístico de los Trastornos mentales DSM-5]]></source>
<year>2014</year>
<edition>5ta Ed</edition>
<publisher-loc><![CDATA[Arligton VA ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Médica Panamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Recognition of medically unexplained symptoms-do doctors agree]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reid]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Crayford]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Richards]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Nimnuan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hotopf]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[J Psychosom Res]]></source>
<year>1999</year>
<volume>47</volume>
<page-range>483-5</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Detecting somatoform disorders in primary care with the PHQ-15]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[van Ravesteijn]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Wittkampf]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Lucassen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Ann Fam Med]]></source>
<year>2009</year>
<volume>7</volume>
<page-range>232-8</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Frequent attenders with medically unexplained symptoms service use and costs in secondary care]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reid]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Wessely]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Crayford]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Hotopf]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Br J Psychiatry]]></source>
<year>2002</year>
<volume>180</volume>
<page-range>248-53</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Patients with unexplained physical symptoms have poorer quality of life and higher costs than other patient groups a cross-sectional study on burden]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zonneveld]]></surname>
<given-names><![CDATA[LN]]></given-names>
</name>
<name>
<surname><![CDATA[Sprangers]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Kooiman]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
<name>
<surname><![CDATA[van't Spijker]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Busschbach]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
</person-group>
<source><![CDATA[BMC Health Serv Res]]></source>
<year>2013</year>
<volume>13</volume>
<page-range>520</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The cost of somatisation among the working-age population in England for the year 2008-2009]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bermingham]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hague]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Parsonage]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Ment Health Fam Med]]></source>
<year>2010</year>
<volume>7</volume>
<page-range>71-84</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The PHQ-15 validity of a new measure for evaluating somatic symptom severity]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kroenke]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Spitzer]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
</person-group>
<source><![CDATA[Psychosom Med]]></source>
<year>2002</year>
<volume>64</volume>
<page-range>258-66</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Presentation of the Multidisciplinary Guideline Medically Unexplained Physical Symptoms (MUS) and Somatoform Disorder in the Netherlands disease management according to risk profiles]]></article-title>
<collab>van der Feltz-Cornelis CM.Hoedeman R.Keuter EJ.Swinkels JA</collab>
<source><![CDATA[J Psychosom Res]]></source>
<year>2012</year>
<volume>72</volume>
<page-range>168-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Somatization increases medical utilization and costs independent of psychiatric and medical comorbidity]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barsky]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Orav]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bates]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
</person-group>
<source><![CDATA[Arch Gen Psychiatry]]></source>
<year>2005</year>
<volume>62</volume>
<page-range>903-10</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Whether medically unexplained or not, three or more concurrent somatic symptoms predict psychopathology and services use in community populations]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[JI]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[CN]]></given-names>
</name>
<name>
<surname><![CDATA[Gara]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Alegría]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Interian]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[J Psychosom Res]]></source>
<year>2010</year>
<volume>69</volume>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Unexplained complaints in primary care evidence of action bias]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kiderman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ilan]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Gur]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Bdolah-Abram]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Brezis]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[J Fam Pract]]></source>
<year>2013</year>
<volume>62</volume>
<page-range>408-13</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[What do general practice patients want when they present medically unexplained symptoms, and why do their doctors feel pressurized]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salmon]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ring]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dowrick]]></surname>
<given-names><![CDATA[CF]]></given-names>
</name>
<name>
<surname><![CDATA[Humphris]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
</person-group>
<source><![CDATA[J Psychosom Res]]></source>
<year>2005</year>
<volume>59</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>255-60</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Efficacy of treatment for somatoform disorders a review of randomized controlled trials]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kroenke]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Psychosomatic Medicine]]></source>
<year>2007</year>
<volume>69</volume>
<page-range>881-8</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Minor acute illness a preliminary research report on the &amp;raquo;," &amp;reg;,(r) &amp;sect;,§ &amp;shy;,­ &amp;sup1;,¹ &amp;sup2;,² &amp;sup3;,³ &amp;szlig;,ß &amp;THORN;,Þ &amp;thorn;,þ &amp;times;,× &amp;Uacute;,Ú &amp;uacute;,ú &amp;Ucirc;,Û &amp;ucirc;,û &amp;Ugrave;,Ù &amp;ugrave;,ù &amp;uml;,¨ &amp;Uuml;,Ü &amp;uuml;,ü &amp;Yacute;,Ý &amp;yacute;,ý &amp;yen;,¥ &amp;yuml;,ÿ &amp;para;,¶ worried well &amp;raquo;," &amp;reg;,(r) &amp;sect;,§ &amp;shy;,­ &amp;sup1;,¹ &amp;sup2;,² &amp;sup3;,³ &amp;szlig;,ß &amp;THORN;,Þ &amp;thorn;,þ &amp;times;,× &amp;Uacute;,Ú &amp;uacute;,ú &amp;Ucirc;,Û &amp;ucirc;,û &amp;Ugrave;,Ù &amp;ugrave;,ù &amp;uml;,¨ &amp;Uuml;,Ü &amp;uuml;,ü &amp;Yacute;,Ý &amp;yacute;,ý &amp;yen;,¥ &amp;yuml;,ÿ &amp;para;,¶]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Gardiner]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Lyles]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Rost]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<source><![CDATA[J Fam Pract]]></source>
<year>2002</year>
<volume>51</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>24-9</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Association of costs with somatic symptom severity in patients with medically unexplained symptoms]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Konnopka]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kaufmann]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[König]]></surname>
<given-names><![CDATA[HH]]></given-names>
</name>
</person-group>
<source><![CDATA[J Psychosom Res]]></source>
<year>2013</year>
<volume>75</volume>
<page-range>370-5</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Medically unexplained symptoms in family medicine defining a research agenda. Proceedings from WONCA 2007]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olde Hartman]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Hassink-Franke]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Dowrick]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Fam Pract]]></source>
<year>2008</year>
<volume>25</volume>
<page-range>266-71</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Trastornos de somatización en atención primaria]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kawas-Valle]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<source><![CDATA[MedicinaUniversitaria]]></source>
<year>2011</year>
<volume>13</volume>
<page-range>171-2</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
