<?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>0186-2391</journal-id>
<journal-title><![CDATA[Acta pediátrica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Acta pediatr. Méx]]></abbrev-journal-title>
<issn>0186-2391</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-23912018000100023</article-id>
<article-id pub-id-type="doi">10.18233/apm1no1pp23-321537</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio descriptivo de la mortalidad neonatal en un Hospital Institucional]]></article-title>
<article-title xml:lang="en"><![CDATA[Descriptive study of neonatal mortality in an Institutional Hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Díaz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Lozano]]></surname>
<given-names><![CDATA[AL.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Islas-Ruz]]></surname>
<given-names><![CDATA[FG.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baltazar-Merino]]></surname>
<given-names><![CDATA[RN.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mata-Miranda]]></surname>
<given-names><![CDATA[MP.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<volume>39</volume>
<numero>1</numero>
<fpage>23</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-23912018000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-23912018000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-23912018000100023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  ANTECEDENTES: la mortalidad neonatal se define como el número de recién nacidos que mueren antes de alcanzar los 28 días de edad. En México, la tasa es del 41% del total de defunciones de menores de cinco años.  OBJETIVO: determinar las características de la mortalidad neonatal en un Hospital Institucional.  MATERIAL Y MÉTODOS: estudio descriptivo y retrospectivo, de todos los neonatos muertos del año 2008 al 2012, en nuestra institución. Identificamos las defunciones por medio del registro de la Jefatura de Pediatría de nuestra institución y obtuvimos los datos de los expedientes clínicos de neonatos que murieron durante el período entre 2008 y 2012. Excluimos aquellos expedientes incompletos o extraviados. Las variables estudiadas fueron género, peso al nacer, edad gestacional, causa de muerte, comorbilidades, control prenatal, antecedentes de muerte neonatal y patología gestacional. Analizamos con estadística descriptiva.  RESULTADOS: hubo 308 defunciones neonatales. La edad gestacional al nacimiento fue de 30 ± 5 semanas (media y desviación estándar); el peso en gramos de 1944 ± 990. La causa principal de mortalidad fue inmadurez extrema en 19% (58) seguida de asfixia neonatal con 13% (41).  CONCLUSIÓN: las principales características de la mortalidad neonatal encontradas en este estudio son semejantes a las reportadas en la literatura, considerando que la inmadurez extrema y prematurez son las características en las que se presentó mayor mortalidad debemos incidir a través del adecuado control prenatal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  INTRODUCTION: Neonatal mortality is defined as the newborn children&#8217;s number who die before they reach 28 days of life. Infant mortality rate in Mexico is 41% in the total deaths of under-five children.  OBJECTIVE: To determinate the characteristics of neonatal mortality in an institutional hospital.  SUBJECTS AND METHODS:  A descriptive, retrospective and longitudinal study, of neonate&#8217;s deaths from years 2008 to 2012 at our institution. We identified neonatal deaths by means of pediatrician&#8217;s department records and we collected data from clinical files. We included only clinical records of neonates whose death occurred within the first 28 days of life and were attended at our institution. We excluded incomplete or lost clinical records. We studied gender, birth weight, gestational age, cause of death, co morbidity, prenatal care, history of neonatal death and gestational pathology. We carried descriptive statistics.  RESULTS:  Three-hundred and eight neonates&#8217; deaths total were studied; the age of gestation at birth was 30 ± 5 weeks (average and standard deviation), birth weight 1944 ± 990 g. The main cause of death was extreme immaturity 19% (58), followed by perinatal asphyxia with 13% (41).  CONCLUSIONS:  The main characteristics of neonatal mortality found in this study are similar to those reported in the literature, considering that extreme immaturity and prematurity are the characteristics in which higher mortality was present, we must have an appropriate prenatal control.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[mortalidad neonatal]]></kwd>
<kwd lng="es"><![CDATA[recién nacido]]></kwd>
<kwd lng="es"><![CDATA[neonato prematuro]]></kwd>
<kwd lng="es"><![CDATA[neonatología]]></kwd>
<kwd lng="en"><![CDATA[neonatal mortality]]></kwd>
<kwd lng="en"><![CDATA[infant]]></kwd>
<kwd lng="en"><![CDATA[newborn]]></kwd>
<kwd lng="en"><![CDATA[premature]]></kwd>
<kwd lng="en"><![CDATA[neonatal prematurity, neonatology]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Disminuye la mortalidad neonatal, pero aumenta su proporción en la mortalidad en la niñez a escala mundial. Informe de un Grupo Científico de la OMS]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Ginebra ]]></publisher-loc>
<publisher-name><![CDATA[OMS]]></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[Oestergaard]]></surname>
<given-names><![CDATA[MZ]]></given-names>
</name>
<name>
<surname><![CDATA[Inoue]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Yoshida]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mahanani]]></surname>
<given-names><![CDATA[WR]]></given-names>
</name>
<name>
<surname><![CDATA[Gore]]></surname>
<given-names><![CDATA[FM]]></given-names>
</name>
<name>
<surname><![CDATA[Cousens]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neonatal Mortality Levels for 193 Countries in 2009 with Trends since 1990: A Systematic Analysis of Progress, Projections, and Priorities]]></article-title>
<source><![CDATA[PLoS Med]]></source>
<year>2011</year>
<volume>8</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1-13</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[Friedrich]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Premature Birth Complications Top Cause of Death in Children Younger Than 5 Years]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2015</year>
<volume>313</volume>
<page-range>235</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[Fernández]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Viguri]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortalidad de la población de menores de cinco años en México durante 2011]]></article-title>
<source><![CDATA[Bol Med Hosp Infant Mex]]></source>
<year>2013</year>
<volume>70</volume>
<page-range>66-9</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[Patel]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Kandefer]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Walsh]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Bell]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
<name>
<surname><![CDATA[Carlo]]></surname>
<given-names><![CDATA[WA]]></given-names>
</name>
<name>
<surname><![CDATA[Laptook]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Causes and timing of death in extremely premature infants from 2000 through 2011]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2015</year>
<volume>372</volume>
<page-range>331-40</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[Flores]]></surname>
<given-names><![CDATA[NG]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes Morales]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rivero Yeverino]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Delgado]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morbilidad neonatal por parto fortuito en un hospital general]]></article-title>
<source><![CDATA[Acta Pediatr Mex]]></source>
<year>2014</year>
<volume>35</volume>
<page-range>173-8</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[Fernández]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Viguri]]></surname>
<given-names><![CDATA[UR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolución reciente de la mortalidad neonatal y post neonatal en México, 1990-2011]]></article-title>
<source><![CDATA[Bol Med Hosp Infant Mex]]></source>
<year>2013</year>
<volume>70</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>265-7</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[Velázquez Quintana]]></surname>
<given-names><![CDATA[NI]]></given-names>
</name>
<name>
<surname><![CDATA[Yunes Zárraga M]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila Reyes]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recién nacidos con bajo peso causas, problemas y perspectivas a futuro]]></article-title>
<source><![CDATA[Bol. Med. Hosp. Infant Mex]]></source>
<year>2004</year>
<volume>61</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>73-86</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[Donoso]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Donoso]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Villarroel]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortalidad perinatal e infantil y el bajo peso al nacer en Chile y Cuba en el periodo de 1991-2004]]></article-title>
<source><![CDATA[Rev Chil Obstet Ginecol]]></source>
<year>2004</year>
<volume>69</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>203-8</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[Kliegman]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Stanton]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Schor]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
<name>
<surname><![CDATA[Behrman]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
</person-group>
<source><![CDATA[Nelson Textbook of pediatrics:The High-Risk Infant. 20th Ed]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pentón]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortalidad perinatal Factores de riesgo asociados]]></article-title>
<source><![CDATA[Clin Invest Ginecol Obstet]]></source>
<year>2015</year>
<volume>42</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>2-6</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[Fernández]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Corral]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortalidad neonatal en 2007 y 2008 en un centro de tercer nivel de atención]]></article-title>
<source><![CDATA[Bol Med Hosp Infant Mex]]></source>
<year>2011</year>
<volume>68</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>284-9</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="book">
<source><![CDATA[Guía de Práctica clínica. Control Prenatal con Enfoque de Riesgo. Informe de un grupo científico de la Secretaría de Salud]]></source>
<year>2009</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Secretaria de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Cardiel]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<name>
<surname><![CDATA[Reynoso]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Oslas]]></surname>
<given-names><![CDATA[LP]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morbilidad y mortalidad en el recién nacido prematuro del Hospital General de México]]></article-title>
<source><![CDATA[Rev Med Hosp Gen Mex]]></source>
<year>2003</year>
<volume>66</volume>
<page-range>22-8</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[Rodríguez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Arredondo]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morbilidad y mortalidad por sepsis neonatal en un hospital de tercer nivel de atención]]></article-title>
<source><![CDATA[Salud Pública Mex]]></source>
<year>2003</year>
<volume>45</volume>
<page-range>90-5</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[King]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Warren]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The role of reviews of perinatal deaths]]></article-title>
<source><![CDATA[Semin Fetal Neonatal Med]]></source>
<year>2006</year>
<volume>11</volume>
<page-range>79-87</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[Fernández]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Salinas]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la mortalidad neonatal en un centro de tercer nivel de atención]]></article-title>
<source><![CDATA[Bol Med Hosp Infant Mex]]></source>
<year>2003</year>
<volume>60</volume>
<page-range>459-67</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<collab>The World Bank</collab>
<collab>ONU Interagency Group for Child Mortality Estimation. Level</collab>
<collab>Trends in Child Mortality</collab>
<source><![CDATA[Neonatal mortality]]></source>
<year>2011</year>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<collab>Instituto Mexicano del Seguro Social</collab>
<source><![CDATA[Manual metodológico de indicadores médicos: Atención integral neonatal. Informe de un grupo científico del IMSS]]></source>
<year>2013</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[IMSS]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<collab>Instituto Mexicano del Seguro Social</collab>
<source><![CDATA[Manual metodológico de indicadores médicos: Atención integral neonatal. Informe de un grupo científico del IMSS]]></source>
<year>2015</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[IMSS]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Echeverría]]></surname>
<given-names><![CDATA[ZS]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyave]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Mar Obeso]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Dávila Torres]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Grupos relacionados al diagnóstico. Instituto Mexicano del Seguro Social: IMSS]]></source>
<year>2011</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Dirección de prestaciones médicas]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
