<?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>1816-8949</journal-id>
<journal-title><![CDATA[Anales de la Facultad de Ciencias Médicas (Asunción)]]></journal-title>
<abbrev-journal-title><![CDATA[An. Fac. Cienc. Méd. (Asunción)]]></abbrev-journal-title>
<issn>1816-8949</issn>
<publisher>
<publisher-name><![CDATA[EFACIM. Editorial de la Facultad de Ciencias Médicas - Universidad Nacional de Asunción]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1816-89492020000300025</article-id>
<article-id pub-id-type="doi">10.18004/anales/2020.053.03.25</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síntomas prevalentes y factores de riesgo de litiasis biliar en pacientes pediátricos en un hospital de referencia]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalent symptoms and risk factors of gallstones in pediatric patients at a reference hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bogado]]></surname>
<given-names><![CDATA[Nair Raquel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zacur]]></surname>
<given-names><![CDATA[Mabel Sofía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Susana Florentina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra y Servicio de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>53</volume>
<numero>3</numero>
<fpage>25</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1816-89492020000300025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1816-89492020000300025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1816-89492020000300025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La litiasis biliar es una patología considerada como poco frecuente en la infancia; sin embargo, el 50% de los adultos jóvenes con enfermedad vesicular presentaron sus primeros síntomas a edades tempranas. Existen pocos estudios en población pediátrica con esta patología en el Paraguay.  Objetivos:  Determinar los síntomas más frecuentes y la presencia de factores asociados a litiasis biliar en niños y adolescentes en un hospital de referencia.  Materiales y métodos:  Estudio transversal, observacional, descriptivo, retrospectivo, realizado con datos secundarios de fichas clínicas de pacientes internados entre los meses de enero del 2014 y enero del 2019. Muestreo no probabilístico de casos consecutivos.  Resultados:  Se incluyeron 58 pacientes con diagnóstico de litiasis biliar, 3 (5,2%) en edad pre-escolar, 9 (15,5%) escolares y 46 (79,3%) adolescentes. Fueron del sexo femenino 39/58 (67,2%). En cuanto a las manifestaciones clínicas, 57 (98%) pacientes refirieron dolor abdominal, 30 (51%) presentaron vómitos y el resto en menor proporción cursaron con ictericia, coluria o hipocolia. Con respecto a la situación nutricional, 1 (1,7%) paciente presentó desnutrición y 29 (50%) pacientes sobrepeso u obesidad. En relación con la evaluación de la talla, 5 (8,6%) tenían talla baja. En 4 (6,8%) pacientes hubo antecedentes familiares de litiasis biliar. Ninguno presentó complicaciones. No se observaron casos asociados a uso de nutrición parenteral. 2 pacientes habían recibido antibiótico de amplio espectro. Conclusión: La litiasis biliar fue más frecuente en niñas y en la etapa de la adolescencia, en la mayoría fue idiopática y el dolor abdominal fue la manifestación más frecuente.  Conclusión:  La litiasis biliar fue más frecuente en niñas y en la etapa de la adolescencia, en la mayoría fue idiopática y el dolor abdominal fue la manifestación más frecuente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Gallstones are considered infrequent in childhood; however, 50% of young adults with gallbladder disease had their first symptoms during this period. There are few studies in the pediatric population about this pathology in Paraguay.  Objectives:  To determine the prevalent symptoms and the presence of predisposing factors in children and adolescents with gallstones at a referral hospital.  Materials and methods:  it is a cross-sectional, retrospective, descriptive, observational study; based on clinical records of patients hospitalized between January 2014 and January 2019, non-probabilistic sampling of consecutive cases of patients who meet the inclusion criteria.  Results:  58 patients with the diagnosis of gallstones were found, of which 3 (5.2%) were preschool children, 9 (15.5%) children and 46 (79.3%) adolescents. There was a predominance of females 67.2% (39/58) over males 33% (19/58). As for clinical manifestations, 57 patients (98%) reported abdominal pain, 30 (51%) vomiting and a lesser extent coursed with jaundice, dark urine or hypocolia. Regarding the nutritional profile, 1 patient (8,6%) presented malnutrition and 29 (50%) were overweight or obese. In relation to height, 5 (8.6%) were short stature. Only 4 patients (6.8%) had a family history of gallstones. None of them had complications or were associated to parenteral nutrition. 2 patients had received broad spectrum antibiotics.  Conclusion:  Gallstones occurred mainly in female adolescents. In most cases was idiopathic and, abdominal pain was the most frequent symptom.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[litiasis biliar]]></kwd>
<kwd lng="es"><![CDATA[colelitiasis]]></kwd>
<kwd lng="es"><![CDATA[niños]]></kwd>
<kwd lng="es"><![CDATA[pediatría.]]></kwd>
<kwd lng="en"><![CDATA[gallstones]]></kwd>
<kwd lng="en"><![CDATA[cholelithiasis]]></kwd>
<kwd lng="en"><![CDATA[children]]></kwd>
<kwd lng="en"><![CDATA[pediatrics.]]></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[Evers]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Mattox]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
<name>
<surname><![CDATA[Townsend]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Beauchamp]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
</person-group>
<source><![CDATA[Sabiston. Cirugía general y del aparato digestivo]]></source>
<year>2014</year>
<edition>Vol. 19a. edicio&#769;n</edition>
<publisher-loc><![CDATA[Barcelona, Espan&#771;a ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Machain]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Yamanaka]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de litiasis biliar en personas concurrentes al hospital de clínicas]]></article-title>
<source><![CDATA[Rev. Cir. Parag]]></source>
<year>2017</year>
<volume>41</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>21-4</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rescorla]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholelithiasis, cholecystitis and common bile duct stones]]></article-title>
<source><![CDATA[Curr Opin Pediatr]]></source>
<year>1997</year>
<volume>9</volume>
<page-range>276-82</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[Palasciano]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Portincasa]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Vinciguerra]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Velardi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tardi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Baldassarre]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gallstone prevalence and gallbladder volume in children and adolescents: an epidemiological ultrasonographic survey and relationship to body mass index]]></article-title>
<source><![CDATA[Am J Gastroenterol]]></source>
<year>1989</year>
<volume>84</volume>
<page-range>1378-82</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[Kratzer]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Mason]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Kächele]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of gallstones in sonographic surveys worldwide]]></article-title>
<source><![CDATA[J Clin Ultrasound.]]></source>
<year>1999</year>
<volume>27</volume>
<page-range>1-7</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[Kratzer]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Walcher]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Arnold]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Akinli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mason]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Denzer]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hänle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gallstone Prevalence and Risk Factors for Gallstone Disease in an Urban Population of Children and Adolescents]]></article-title>
<source><![CDATA[Zeitschrift Für Gastroenterologie]]></source>
<year>2010</year>
<volume>48</volume>
<numero>06</numero>
<issue>06</issue>
<page-range>683-7</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[Wesdorp]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Bosman]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[de Graaff]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Aronson]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[van der Blij]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Taminiau]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical presentations and predisposing factors of cholelithiasis and sludge in children]]></article-title>
<source><![CDATA[J Pediatr Gastroenterol Nutr]]></source>
<year>2000</year>
<volume>31</volume>
<page-range>411-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Chateau]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Miquel]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Litiasis biliar pediátrica en una población de alta prevalencia]]></article-title>
<source><![CDATA[Rev Chil Pediatr]]></source>
<year>2007</year>
<volume>78</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>511-8</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nilsson]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gallbladder disease and sex hormones]]></article-title>
<source><![CDATA[Acta Chir Scand]]></source>
<year>1966</year>
<volume>132</volume>
<page-range>275-9</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaechele]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Wabitsch]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Thiere]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Haenle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mayer]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Kratzer]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of gallbladder stone disease in obese children and adolescents: influence of the degree of obesity, sex, and pubertal development]]></article-title>
<source><![CDATA[J Pediatr Gastroenterol Nutr]]></source>
<year>2006</year>
<volume>42</volume>
<page-range>66-70</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vialat]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Olivera]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Litiasis biliar en el niño, diez años de experiencia]]></article-title>
<source><![CDATA[Revista Cubana de Pediatría]]></source>
<year>2015</year>
<volume>87</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>21-30</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Características de pacientes pediátricos con litiasis biliar]]></article-title>
<source><![CDATA[Revista Medica del IMSS]]></source>
<year>2014</year>
<volume>52</volume>
<page-range>S54-7</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[Siddiqui]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Newbrough]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Alterman]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kennedy]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of laparoscopic cholecystectomy in the pediatric population]]></article-title>
<source><![CDATA[J Ped Surgery]]></source>
<year>2008</year>
<volume>43</volume>
<page-range>109-13</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[Gupta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholecystitis and cholelithiasis in children]]></article-title>
<source><![CDATA[Indian J Pediatr]]></source>
<year>1991</year>
<volume>28</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>801-3</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<collab>World Health Organization</collab>
<source><![CDATA[Anthro]]></source>
<year>2011</year>
<edition>versión 3.2.2</edition>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="">
<collab>Adoptada por la 18a Asamblea Médica Mundial</collab>
<source><![CDATA[Helsinki, Finlandia, Junio 1964 y enmendada por la 29a Asamblea Médica Mundial, Tokio, Japón, Octubre 1975, 35a Asamblea Médica Mundial, Venecia, Italia, Octubre 1983, 41a Asamblea Médica Mundial, Hong Kong, Septiembre 1989, 48ª Asamblea General, Somerset West, Sudáfrica, Octubre 1996 y la 52a Asamblea General, Edimburgo]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Escocia ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Punia]]></surname>
<given-names><![CDATA[RPS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinico-pathological spectrum of gallbladder disease in children]]></article-title>
<source><![CDATA[Acta Pediátrica]]></source>
<year>2010</year>
<volume>99</volume>
<page-range>1561-4</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[Machain]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Yamanaka]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de litiasis biliar en personas concurrentes al hospital de clínicas]]></article-title>
<source><![CDATA[Rev. Cir. Parag]]></source>
<year>2017</year>
<volume>41</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>21-4</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arellano]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Perea]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[De La Garza]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia y factores de riesgo de colelitiasis de pacientes menores de 18 años en un hospital de segundo nivel]]></article-title>
<source><![CDATA[Cirujano general Rev]]></source>
<year>2012</year>
<volume>4</volume>
<page-range>267-70</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koebnick]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Porter]]></surname>
<given-names><![CDATA[AH]]></given-names>
</name>
<name>
<surname><![CDATA[Richie]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Hudson]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Longstreth]]></surname>
<given-names><![CDATA[GF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pediatric Obesity and Gallstone Disease]]></article-title>
<source><![CDATA[Journal of Pediatric Gastroenterology and Nutrition]]></source>
<year>2012</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>328-33</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fradin]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Racine]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Belamarich]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Obesity and Symptomatic Cholelithiasis in Childhood: Epidemiologic and Case Control Evidence for a strong relation]]></article-title>
<source><![CDATA[J Pediatr Gastroenterol Nutr]]></source>
<year>2014</year>
<volume>58</volume>
<page-range>102-6</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[Frybova]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Drabek]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lochmannova]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholelithiasis and choledocholithiasis in children; risk factors for development]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2018</year>
<volume>13</volume>
<numero>5</numero>
<issue>5</issue>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peláez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Enfermedad de la vesícula y de las vías biliares]]></article-title>
<source><![CDATA[Gastroenterología y hepatología]]></source>
<year>2007</year>
<volume>Vol. nº2</volume>
<edition>5ª edición</edition>
<page-range>248-59</page-range><publisher-loc><![CDATA[Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Editorial CIB]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bogue]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Murphy]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gerstle]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Moineddin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Daneman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk Factors, Complications, and Outcomes of Gallstones in Children: A Single-center Review]]></article-title>
<source><![CDATA[Journal of Pediatric Gastroenterology and Nutrition]]></source>
<year>2010</year>
<volume>50</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>303-8</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Poddar]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gallstone disease in children]]></article-title>
<source><![CDATA[Indian Pediatrics]]></source>
<year>2010</year>
<volume>47</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>945-53</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
