<?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>2007-7459</journal-id>
<journal-title><![CDATA[Horizonte sanitario]]></journal-title>
<abbrev-journal-title><![CDATA[Horiz. sanitario]]></abbrev-journal-title>
<issn>2007-7459</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, División Académica de Ciencias de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-74592019000200167</article-id>
<article-id pub-id-type="doi">10.19136/hs.al8n2.2511</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores de riesgo para cáncer de tiroides. Estudio de casos y controles]]></article-title>
<article-title xml:lang="en"><![CDATA[Risk factors for thyroid cancer. Case-controls study]]></article-title>
<article-title xml:lang="fr"><![CDATA[Facteurs de risque du cancer de la thyroïde. Étude cas-témoins]]></article-title>
<article-title xml:lang="pt"><![CDATA[Fatores de risco para o cancro da tiroide. Estudo caso-controlo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cubero Alpízar]]></surname>
<given-names><![CDATA[Consuelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Monge]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de las Ciencias Médicas  ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<numero>2</numero>
<fpage>167</fpage>
<lpage>175</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-74592019000200167&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-74592019000200167&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-74592019000200167&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objectivo:  El presente estudio tuvo como objetivo la identificación de posibles factores de riesgo para el desarrollo de cáncer de tiroides en la población adscrita al Hospital San Rafael de Alajuela (HSRA) en Costa Rica.  Material y Métodos:  Se desarrolla un estudio de casos y controles, en la población adscrita al (HSRA). Se trabajó con la totalidad de la población adscrita a este hospital, a partir de esta, se seleccionaron los casos presentados entre enero del 2009 y diciembre del 2013 inclusive (un quinquenio).  Resultados:  La mayoría son mujeres tanto en casos (76%), como en controles (69%). La distribución por edad quinquenal, es similar entre ambos grupos. La población estudiada se mantiene la línea de presentación de la enfermedad afectando más a individuos con edad entre los 25 y 65 años, predominantemente en el sexo femenino; dentro de la valoración por posible cáncer de tiroides hay que tener presente el antecedente de sobrepeso y obesidad, además del antecedente heredofamiliar de patología tiroidea.  Conclusiones:  Se identificó el sexo como factor de riesgo para Ca de Tiroides, las demás variables analizadas no cuentan con una asociación estadísticamente significativa para ser consideraos como factores de riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objetive:  This study aimed to identify potential risk factors for developing thyroid cancer in the population attached to the San Rafael de Alajuela Hospital (HSRA) in Costa Rica.  Materials and methods:  A case-control study was developed in the population attached to the HSRA. We worked with the entire population attached to this hospital, from this, the cases presented between January 2009 and even December 2013 (a five-year period) were selected. Results: Most are women in both cases (76%) and controls (69%). The five-year age distribution is similar between both groups. In the studied population the line of presentation of the disease is maintained affecting more individuals aged between 25 and 65 years, predominantly in females; within the assessment for possible thyroid cancer we must keep in mind the history of overweight and obesity besides hereditary familial history of thyroid disease.  Conclusions:  Sex was identified as a risk factor for thyroid Ca, the other variables analyzed do not have a statistically significant association to be considered as risk factors.]]></p></abstract>
<abstract abstract-type="short" xml:lang="fr"><p><![CDATA[Résumé:  Objectif:  L&#8217;objectif de cette étude était d&#8217;identifier les facteurs de risque posibles pour le développement du cancer de la thyroïde dans la population rattachée à l&#8217;Hôpital San Rafael de Alajuela (HSRA) au Costa Rica.  Matériel et méthodes:  Une étude cas-témoins a été développée dans la population attribuée à la HSRA. Nous avons travaillé avec toute la population attachée à cet hôpital, de cela, les cas présentés entre janvier 2009 ont été sélectionnés et même décembre 2013 (une période de cinq ans).  Résultats:  La majorité sont des femmes chez les cas (76%) et les témoins (69%). La répartition par âge sur cinq ans est similaire entre les deux groupes. Dans la population étudiée, la ligne de présentation de la maladie est maintenue touchant davantage de personnes âgées de 25 à 65 ans, principalement dans le sexe féminin; au sein de l&#8217;évaluation pour le cancer de la thyroïde possible, il faut tenir compte de l&#8217;histoire du surpoids et de l&#8217;obésité. En plus de l&#8217;histoire familiale héréditaire de la maladie de la thyroïde.  Conclusions:  Le sexe a été identifié comme un facteur de risque de Ca thyroïdien, les autres variables analysées ne présentent pas d&#8217;association statistiquement significative à considérer comme facteurs de risque.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Objetivo:  Este estudo teve como objetivo identificar possiveis fatores de risco para o desenvolvimento do cancro de tireoide na populaçâo do Hospital San Rafael de Alajuela (HSRA) na Costa Rica.  Materiais e métodos:  Realizou-se um estudo de caso-controle na populaçâo de (HSRA). Trabalhou-se com toda a populaçâo vinculada a este hospital, a partir da qual selecionou-se os casos apresentados entre janeiro de 2009 e dezembro de 2013 inclusive (periodo de cinco anos).  Resultados:  A populaçâo estudada na maioria é mulheres tanto nos casos (76%) como nos controles (69%). A distribuiçâo pela idade quinquenal é semelhante nos dois grupos. A linha de apresentaçâo da doença afeta mais os individuos entre 25 e 65 anos, predominantemente no sexo feminino; na avaliaçâo de possivel cancro da tireoide deve-se ter em atençâo a histôria de sobrepeso e obesidade, além dos antecedentes familiares de patologia da tireoide.  Conclusâo:  Identificou-se a variâvel sexo como fator de risco para o cancro da tireoide, as outras variâveis analisadas nâo apresentam associaçâo estatisticamente significativa para serem consideradas como fatores de risco.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tiroides]]></kwd>
<kwd lng="es"><![CDATA[epidemiología]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="en"><![CDATA[Thyroid]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
<kwd lng="en"><![CDATA[case-control cancer]]></kwd>
<kwd lng="fr"><![CDATA[Thyroïde, épidémiologie]]></kwd>
<kwd lng="fr"><![CDATA[cancer]]></kwd>
<kwd lng="pt"><![CDATA[Tireoide]]></kwd>
<kwd lng="pt"><![CDATA[epidemiologia]]></kwd>
<kwd lng="pt"><![CDATA[cancro]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Cáncer. OMS]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Colonna]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bossard]]></surname>
<given-names><![CDATA[N. Guizard]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descriptive epidemiology of thyroid cancer in France: Incidence, mortality and survival]]></article-title>
<source><![CDATA[Annals d&#8217;Endocrinologie]]></source>
<year>2010</year>
<volume>71</volume>
<page-range>95-101</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[Davies]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Welch]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current thyroid cancer trends in the United States]]></article-title>
<source><![CDATA[JAMA Otolaryngol Head Neck Surg]]></source>
<year>2014</year>
<volume>140</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>317-22</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[Brito]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Lew]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Solórzano]]></surname>
<given-names><![CDATA[CC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk of thyroid cancer in Hispanics: a cohort study]]></article-title>
<source><![CDATA[Am Surg]]></source>
<year>2013</year>
<volume>79</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>213-4</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[Shih]]></surname>
<given-names><![CDATA[Shyang-Rong]]></given-names>
</name>
<name>
<surname><![CDATA[Chiu]]></surname>
<given-names><![CDATA[Wei-Yih]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[Tien-Chun]]></given-names>
</name>
<name>
<surname><![CDATA[Chin-Hsiao]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diabetes and Thyroid Cancer Risk: Literature Review]]></article-title>
<source><![CDATA[Experimental Diabetes Research]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New Developments in Diagnosis and treatment of Thyroid cancer]]></article-title>
<source><![CDATA[ACS Journals Clin]]></source>
<year>2013</year>
<volume>63</volume>
<page-range>373-94</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<collab>Ministerio de Salud</collab>
<source><![CDATA[Plan Nacional para la Prevención y Control del Cáncer 2011-2017]]></source>
<year>2012</year>
<publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<source><![CDATA[Memoria Institucional 2011 - San José, Costa Rica: El Ministerio]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nandwani]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Descripción de la presentación clínica y evolución de los pacientes diagnosticados con cáncer de tiroides papilar y folicular en el Hospital Nacional de Niños entre 1989 al 2009]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Universidad de Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almquist]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Johansen]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Bjórge]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ulmer]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Lindkvist]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Stocks]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Hallmans]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Engeland]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rapp]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Jonsson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Selmer]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Diem]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Haggstróm]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Tretli]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Stattin]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Manjer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metabolic factors and risk of thyroid cancer in the Metabolic syndrome and Cancer project (Me-Can)]]></article-title>
<source><![CDATA[Cancer Causes Control]]></source>
<year>2011</year>
<volume>22</volume>
<page-range>743-51</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[Truong]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Baron-Dubourdieu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rougier]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Guénel]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of dietary iodine and cruciferous vegetables in thyroid cancer: a countrywide case-control study in New Caledonia]]></article-title>
<source><![CDATA[Cancer Causes Control]]></source>
<year>2010</year>
<volume>21</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1183-92</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[Zamora-Ros]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Rinaldi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Biessy]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Tjenneland]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Halkjaer]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Fournier]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Boutron-Ruault]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reproductive and menstrual factors and risk of differentiated thyroid carcinoma: The EPIC study]]></article-title>
<source><![CDATA[Int J Cancer]]></source>
<year>2015</year>
<volume>1</volume>
<numero>136</numero>
<issue>136</issue>
<page-range>1218-27</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[Galeano-Tenorio]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
<name>
<surname><![CDATA[Torres-Ajá]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Puerto-Lorenzo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cáncer de tiroides. Caracterización en la provincia de Cienfuegos (2006-2010)]]></article-title>
<source><![CDATA[Revista Finlay]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lope]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Pollan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiología del cáncer diferenciado de tiroides]]></article-title>
<source><![CDATA[Endocrinología y Nutrición]]></source>
<year>2005</year>
<volume>52</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>2-10</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[Marcello]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Malandrino]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[JFM]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Bufalo]]></surname>
<given-names><![CDATA[NE]]></given-names>
</name>
<name>
<surname><![CDATA[Pellegriti]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The influence of the environment on the development of thyroid tumors: a new appraisal]]></article-title>
<source><![CDATA[Endocr Relat Cancer]]></source>
<year>2014</year>
<volume>21</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>235-54</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Califano]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Deutsch]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Fassi]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lowenstein]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Balzaretti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carcinoma medular de tiroides: estudio multicéntrico. Presentación y evolución en 219 pacientes]]></article-title>
<source><![CDATA[Rev. argent. endocrinol. metab]]></source>
<year>2013</year>
<volume>50</volume>
<page-range>2</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kilfoy]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Holford]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Sjodin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Bai]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Rothman]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[International patterns and trends in thyroid cancer incidence, 1973-2002]]></article-title>
<source><![CDATA[Cancer Causes Control]]></source>
<year>2009</year>
<volume>20</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>525-31</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[Pellegriti]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Frasca]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Regalbuto]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Squatrito]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Vigneri]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Worldwide increasing incidence of thyroid cancer: update on epidemiology and risk factors]]></article-title>
<source><![CDATA[J Cancer Epidemiol]]></source>
<year>2013</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
