<?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>1659-0201</journal-id>
<journal-title><![CDATA[Población y Salud en Mesoamérica]]></journal-title>
<abbrev-journal-title><![CDATA[PSM]]></abbrev-journal-title>
<issn>1659-0201</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Centro Centroamericano de Población]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-02012018000100001</article-id>
<article-id pub-id-type="doi">10.15517/psm.v15i2.26408</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Duración de la lactancia materna exclusiva en una comunidad urbana y otra rural de Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Duration of exclusive breastfeeding in an urban and rural community in Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín-Arias]]></surname>
<given-names><![CDATA[Lilliam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ureña Cascante]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Rojas]]></surname>
<given-names><![CDATA[Xinia]]></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[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>15</volume>
<numero>2</numero>
<fpage>1</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-02012018000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-02012018000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-02012018000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Indagar la duración de la lactancia materna exclusiva en una comunidad urbana y una rural de Costa Rica.  Método:  Se realizó un estudio descriptivo transversal sobre el inicio y duración de la lactancia materna en niñas y niños menores de 5 años. La muestra estuvo constituida por 92 madres, 39 niñas y 64 niños. Para recolectar la información se realizó una visita domiciliar donde se completó un formulario sobre alimentación.  Resultados:  El 83,5% del total de los niños tomó leche materna en las primeras dos horas después del parto, aumentando a 94,2% pasado este tiempo, siendo la zona rural la que presenta la mayor proporción de casos. Las madres refieren haber brindado la lactancia materna en forma exclusiva en el 78,6% de los casos (77,6% y 80,0% en la zona urbana y rural respectivamente). La duración promedio de la lactancia materna exclusiva en los niños es de 4,1 ± 2,4 meses con un rango que oscila desde los 0 a 8 meses de vida. A pesar de que no existan diferencias estadísticamente significativas según lugar de residencia, se observa que la comunidad rural es donde los niños reciben por más tiempo leche materna de forma exclusiva (4,4 ± 2,1) comparado con la comunidad urbana (3,9 ± 2,6). Sin embargo, solo el 42,7% de los niños o niñas llegan a los seis meses alimentados con leche de sus madres, siendo la zona urbana la que presenta una mayor proporción de niñas y niños alimentados de esta forma (43,1%) en comparación con la zona rural (42,2%).  Conclusión:  Un porcentaje bajo de niños y niñas llegan a los seis meses de vida alimentados sólo con leche de sus madres, siendo la zona rural la que presenta un mejor patrón en torno a la lactancia materna exclusiva. No obstante, esta diferencia no es estadísticamente significativa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  To investigate the duration of breastfeeding in an urban and a rural community in Costa Rica.  Methods:  A cross - sectional descriptive study on the onset and duration of breastfeeding in children under 5 years of age was carried out. The sample consisted of 92 mothers, 39 girls and 64 boys. To collect the information, a home visit was carried out, where a feeding questionnaire was completed.  Results:  83,5% of the children were breastfed in the first two hours after childbirth, increasing to 94.2% after this time, with the rural area showing the highest proportion of cases. Mothers reported exclusively breastfeeding in 78.6% of cases (77.6% and 80,0% in urban and rural areas, respectively). The average duration of exclusive breastfeeding in the studied children is 4.1 ± 2.4 months with a range that ranges from 0 to 8 months of life. Although there are no statistically significant differences according to place of residence, it is observed that the rural community is where children exclusively receive breast milk (4,4 ± 2,1) compared to the urban community (3, 9 ± 2.6). However, only 42.7% of the children reach six months of age with milk from their mothers, with the urban area having the highest proportion of children fed in this way (43.3%), in comparison with the rural area (42,2%).  Conclusion:  A low percentage of children reach six months of age fed only with their mothers' milk, with the rural area showing greater duration. However, this difference is not statistically significant.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Alimentación infantil]]></kwd>
<kwd lng="es"><![CDATA[duración de lactancia materna]]></kwd>
<kwd lng="es"><![CDATA[lactancia materna exclusiva]]></kwd>
<kwd lng="es"><![CDATA[Costa Rica]]></kwd>
<kwd lng="en"><![CDATA[Infant feeding]]></kwd>
<kwd lng="en"><![CDATA[breastfeeding]]></kwd>
<kwd lng="en"><![CDATA[exclusive breastfeeding]]></kwd>
<kwd lng="en"><![CDATA[duration]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aragón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cubillas]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maternidad en la adolescencia y lactancia]]></article-title>
<source><![CDATA[Revista Enfermería Docente]]></source>
<year>2015</year>
<volume>2</volume>
<numero>104</numero>
<issue>104</issue>
<page-range>49-54</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ashwini]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Katti]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mallapur]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of breast feeding practices among urban and rural mothers: A cross-sectional study]]></article-title>
<source><![CDATA[Int. J. Med. Public Health]]></source>
<year>2014</year>
<volume>4</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>120-4</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ballard]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Morrow]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Human Milk Composition Nutrients and Bioactive Factors]]></article-title>
<source><![CDATA[Pediatr Clin N Am]]></source>
<year>2013</year>
<volume>60</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>49-74</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Becerra-Bulla]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rocha-Calderón]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca-Silva]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bermúdez-Gordillo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El entorno familiar y social de la madre como factor que promueve o dificulta la lactancia materna]]></article-title>
<source><![CDATA[Rev. Fac.Med.]]></source>
<year>2015</year>
<volume>63</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>217-27</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bustos-Lozano]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Antón]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aspectos prácticos de la extracción, conservación y administración de leche materna en el hogar]]></article-title>
<source><![CDATA[Acta Pediatr Esp]]></source>
<year>2016</year>
<volume>74</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>e149-58</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cáceres Fernández]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes Santana]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Malpica Alonso]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez Alonso]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Solís Molinet]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variables que influyen en el comportamiento de la lactancia materna exclusiva hasta el sexto mes]]></article-title>
<source><![CDATA[Revista Cubana de Medicina General Integral]]></source>
<year>2013</year>
<volume>29</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>245-52</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calvo Quirós]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores Socioeconomicos, culturales y asociados al Sistema de Salud que influyen en el Amamantamiento]]></article-title>
<source><![CDATA[Revista Enfermería Actual en Costa Rica]]></source>
<year>2009</year>
<volume>15</volume>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eidelman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Schanler]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Breastfeeding and the Use of Human Milk]]></article-title>
<source><![CDATA[Pediatrics]]></source>
<year>2012</year>
<volume>129</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>e827-41</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Espinoza Cadima]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zamorano Jiménez]]></surname>
<given-names><![CDATA[CA.]]></given-names>
</name>
<name>
<surname><![CDATA[Graham Pontones]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Orozco Gutiérrez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores que determinan la duración de la lactancia materna durante los tres primeros meses de vida]]></article-title>
<source><![CDATA[An Med (Mex)]]></source>
<year>2014</year>
<volume>59</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>120-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores-Díaz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bustos-Valdés]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Solís]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza-Sánchez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores relacionados con la duración de la lactancia materna en un grupo de niños mexicanos]]></article-title>
<source><![CDATA[Archivos en Medicina Familiar]]></source>
<year>2006</year>
<volume>8</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<collab>Fondo de las Naciones Unidas para la Infancia</collab>
<source><![CDATA[Costa Rica: Monitoreo de la Situación de la Niñez y las Mujeres, Encuesta de Indicadores Múltiples por Conglomerados 2011]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<collab>Fondo de las Naciones Unidas para la Infancia</collab>
<collab>Ministerio de Salud</collab>
<collab>Instituto de Estadística y Censos</collab>
<source><![CDATA[Análisis del Módulo de Lactancia Materna]]></source>
<year>2011</year>
<publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Autor]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez-Aristizábal]]></surname>
<given-names><![CDATA[L.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Ruiz]]></surname>
<given-names><![CDATA[C.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Manrique-Hernández]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores asociados con lactancia materna exclusiva hasta el sexto mes en madres adolescentes. Medellin, 2010]]></article-title>
<source><![CDATA[Revista de Salud Pública]]></source>
<year>2013</year>
<volume>15</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>374-85</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hennet]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Borsig]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Breastfed at Tiffany&#8217;s]]></article-title>
<source><![CDATA[Trends in Biochemical Sciences]]></source>
<year>2016</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>508-18</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<collab>International Baby Food Action Network</collab>
<collab>Breastfeeding Promotion Network of India</collab>
<source><![CDATA[The world breastfeeding trends initiative: Are Our Babies Falling Through the Gaps?]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Delhi, India ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kramer]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kakuma]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimal duration of exclusive breastfeeding]]></article-title>
<source><![CDATA[Cochrane Database of Systematic Reviews]]></source>
<year>2012</year>
<volume>15</volume>
<numero>8</numero>
<issue>8</issue>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazariegos]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zea]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lactancia materna y enfermedades crónicas no transmisibles en la vida adulta]]></article-title>
<source><![CDATA[Archivos Latinoamericanos de Nutrición]]></source>
<year>2015</year>
<volume>65</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<collab>Ministerio de Salud</collab>
<collab>Instituto Costarricense de Investigación y Enseñanza en Nutrición y Salud</collab>
<collab>Caja Costarricense del Seguro Social</collab>
<collab>Ministerio de Educación Pública</collab>
<source><![CDATA[Desarrollo de Comunidades Centinela en Alimentación y Nutrición]]></source>
<year>1999</year>
<publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[D.C. Editores]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neville]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[McManaman]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Badger]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bunik]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Contractor]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Williamson]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lactation and neonatal nutrition: Defining and refining the critical questions]]></article-title>
<source><![CDATA[J Mammary Gland Biol Neoplasia]]></source>
<year>2012</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>167-88</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Niño M]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva E]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Atalah S]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores asociados a la lactancia materna exclusiva]]></article-title>
<source><![CDATA[Revista chilena de pediatría]]></source>
<year>2012</year>
<volume>83</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>161-9</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lira]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Batista]]></surname>
<given-names><![CDATA[F. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fatores associados ao aleitamento materno em dois municipios com baixo indice de desenvolvimento humano no Nordeste do Brasil]]></article-title>
<source><![CDATA[Revista Brasileira de Epidemiologia]]></source>
<year>2013</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>178-89</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Estrategia mundial para la alimentación del lactante y del niño pequeño]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Ginebra, Suiza ]]></publisher-loc>
<publisher-name><![CDATA[autor]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Conclusiones de la reunión de consenso llevada a cabo 6 al 8 de noviembre de 2007 en Washington, DC, EE.UU. Indicadores para evaluar las prácticas de alimentación del lactante y del nin&#771;o pequen&#771;o]]></source>
<year>2009</year>
<publisher-loc><![CDATA[Ginebra, Suiza ]]></publisher-loc>
<publisher-name><![CDATA[Autor]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortega García]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pastor Torres]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Lorente]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Bosch Giménez]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Quesada López]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández Ramón]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez Solís de Querol]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proyecto Malama en la Región de Murcia (España): medio ambiente y lactancia materna]]></article-title>
<source><![CDATA[Anales de Pediatría]]></source>
<year>2008</year>
<volume>68</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>447-53</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pino]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Medel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores que inciden en la duración de la lactancia materna exclusiva en una comunidad rural de Chile]]></article-title>
<source><![CDATA[Revista chilena de nutrición]]></source>
<year>2013</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>48-54</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raghavan]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Bharti]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mukhopadhyay]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Dhaliwal]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[First Hour Initiation of Breastfeeding and Exclusive Breastfeeding at Six Weeks: Prevalence and Predictors in a Tertiary Care Setting]]></article-title>
<source><![CDATA[Indian J Pediatr]]></source>
<year>2014</year>
<volume>81</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>743-50</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rius]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortuño]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Maravall]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Calzado]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Vento]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores asociados al abandono precoz de la lactancia materna en una región del este de España]]></article-title>
<source><![CDATA[An Pediatr]]></source>
<year>2014</year>
<volume>80</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>6-15</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-García]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta Ramírez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores Asociados a la Lactancia Materna Exclusiva en Población Pobre de Áreas Urbanas de Colombia]]></article-title>
<source><![CDATA[Revista de Salud Pública]]></source>
<year>2008</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-84</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz Poyato]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Galiano]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Causas de abandono de la lactancia materna exclusiva en una zona básica urbana]]></article-title>
<source><![CDATA[Revista de Enfermería]]></source>
<year>2014</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salustiano-de Queiroz]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Diniz-Lemos Debs]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdallah-Steffen]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa-Pinto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fatores associados à duração do aleitamento materno em crianças menores de seis meses]]></article-title>
<source><![CDATA[Rev Bras Ginecol Obstet]]></source>
<year>2012</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>28-33</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sampallo Pedroza]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cardona López]]></surname>
<given-names><![CDATA[L.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro Maldonado]]></surname>
<given-names><![CDATA[D.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro Rodríguez]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lactancia Humana: salud y supervivencia del lactante Alojamiento Conjunto]]></article-title>
<source><![CDATA[Gastrohnup]]></source>
<year>2014</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>112-20</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siqueira Boccolinia]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lazaro de Carvalhob]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Couto de Oliveirac]]></surname>
<given-names><![CDATA[MI.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Escamilla]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Breastfeeding during the first hour of life and neonatal mortality]]></article-title>
<source><![CDATA[J Pediatr (Rio J)]]></source>
<year>2013</year>
<volume>89</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>131&#8722;136</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Souza Campos]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira Chaoul de]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Carmona]]></surname>
<given-names><![CDATA[E.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Higa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Nogueira do Vale]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prácticas de lactancia materna exclusiva reportadas por las madres y la introducción de líquidos adicionales]]></article-title>
<source><![CDATA[Rev. Latino-Am. Enfermagem]]></source>
<year>2015</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>283-90</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sparks]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rural-urban differences in breastfeeding initiation in the United States]]></article-title>
<source><![CDATA[J Hum Lact]]></source>
<year>2010</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>118-29</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thulier]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mercer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variables associated with breastfeeding duration]]></article-title>
<source><![CDATA[J Obstet Gynecol Neonatal Nurs]]></source>
<year>2009</year>
<volume>38</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>259-68</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<collab>U.S. Department of Health and Human Services</collab>
<source><![CDATA[Your guide to Breastfeeding]]></source>
<year>2011</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
