<?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>2007-5057</journal-id>
<journal-title><![CDATA[Investigación en educación médica]]></journal-title>
<abbrev-journal-title><![CDATA[Investigación educ. médica]]></abbrev-journal-title>
<issn>2007-5057</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-50572019000400069</article-id>
<article-id pub-id-type="doi">10.22201/facmed.20075057e.2019.32.18159</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio bibliométrico y redes de coautoría del Dr. Manuel Velasco Suárez]]></article-title>
<article-title xml:lang="en"><![CDATA[Bibliometric study and co-authorship networks of Dr. Manuel Velasco Suárez]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Juárez]]></surname>
<given-names><![CDATA[Julio Isahi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Aceves]]></surname>
<given-names><![CDATA[Guillermo Axayacalt]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-González]]></surname>
<given-names><![CDATA[José Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Marroquín]]></surname>
<given-names><![CDATA[Elsa Yazmín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez-Ramírez]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salinas-Lara]]></surname>
<given-names><![CDATA[Citlaltepetl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Edo. de Méx ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía "Dr. Manuel Velasco Suárez"  ]]></institution>
<addr-line><![CDATA[Cd. Mx. ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Washington University School of Medicine  ]]></institution>
<addr-line><![CDATA[St. Louis ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Iztacala ]]></institution>
<addr-line><![CDATA[Edo. de Méx ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía "Dr. Manuel Velasco Suárez" Departamento de Neuropatología ]]></institution>
<addr-line><![CDATA[Cd. Mx. ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>8</volume>
<numero>32</numero>
<fpage>69</fpage>
<lpage>77</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-50572019000400069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-50572019000400069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-50572019000400069&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La cooperación entre investigadores se ha convertido actualmente en el pilar fundamental del progreso de la ciencia.  Objetivo: Nuestro propósito es el análisis del nivel de productividad y colaboración del Dr. Manuel Velasco Suárez como escritor de publicaciones.  Método: Es un estudio bibliométrico retrospectivo-descriptivo y examen de redes de coautoría, de toda la colección disponible de artículos del Dr. Manuel Velasco Suárez, indexada en la base de datos PubMed. Los indicadores bibliométricos utilizados son de actividad. Los parámetros y la construcción de redes complejas fueron realizados mediante el software Cytoscape Versión 3.5.0.  Resultados: Tamaño bibliométrico: 66. Índice de productividad: 1.819. Grado de colaboración: 0.378. Una red con 57 nodos y 136 conexiones. Diámetro: 4. Radio: 1. Centralidad: 0.393. Coeficiente de agrupamiento: 0.824. Densidad: 0.085.  Discusión: Los valores matemáticos lo revelan como un gran creador de literatura médica, aunado a un bajo grado de vinculación con otros científicos. La exploración mediante redes señala un pequeño nivel de asociación entre sus elementos.  Conclusiones: El Dr. Velasco publicó decenas de trabajos con los cuales forjó una prolífica vida a favor de la neurocirugía mexicana, no obstante, sus alcances pudieron llegar a ser más grandes al colaborar con un mayor número de investigadores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Cooperation among researchers has now become the fundamental pillar of the progress of science.  Objective: Our purpose is the analysis of the level of productivity and collaboration of Dr. Manuel Velasco Suárez as a writer of publications.  Method: It is a retrospective-descriptive bibliometric study and co-authorship network examination of the entire available collection of articles by Dr. Manuel Velasco Suárez, indexed in the PubMed database. The bibliometric indicators used are of activity. The parameters and the construction of complex networks were carried out using the software Cytoscape Version 3.5.0.  Results: Bibliometric size: 66. Productivity index: 1.819. Degree of collaboration: 0.378. A network with 57 nodes and 136 connections. Diameter: 4. Radius: 1. Centrality: 0.393. Grouping coefficient: 0.824. Density: 0.085.  Discussion: The mathematical values reveal it as a great creator of medical literature, coupled with a low degree of connection with other scientists. The exploration through networks indicates a small level of association between its elements.  Conclusions: Dr. Velasco published dozens of works with which he forged a prolific life in favor of the Mexican Neurosurgery, however, its scope could become larger by collaborating with a greater number of researchers.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Redes sociales]]></kwd>
<kwd lng="es"><![CDATA[bibliometría]]></kwd>
<kwd lng="es"><![CDATA[neurocirugía]]></kwd>
<kwd lng="es"><![CDATA[autoría]]></kwd>
<kwd lng="es"><![CDATA[PubMed]]></kwd>
<kwd lng="en"><![CDATA[Social networking]]></kwd>
<kwd lng="en"><![CDATA[bibliometrics]]></kwd>
<kwd lng="en"><![CDATA[neurosurgery]]></kwd>
<kwd lng="en"><![CDATA[authorship]]></kwd>
<kwd lng="en"><![CDATA[PubMed]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gisbert]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Panes]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Publicación científica, indicadores bibliométricos e índice h de Hirsch]]></article-title>
<source><![CDATA[Gastroenterol Hepatol]]></source>
<year>2009</year>
<volume>32</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>140-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bordons]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Zulueta]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de la actividad científica a través de indicadores bibliométricos]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>1999</year>
<volume>52</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>790-800</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[Michán]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cienciometría para ciencias médicas definiciones, aplicaciones y perspectivas]]></article-title>
<source><![CDATA[Inv Ed Med]]></source>
<year>2013</year>
<volume>2</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>100-6</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<collab>González de Dios J.Mateos MA.González I</collab>
<article-title xml:lang=""><![CDATA[International, national, and speciality impact factors The search for the best bibliometric indicator]]></article-title>
<source><![CDATA[Rev Esp Pediatr]]></source>
<year>1998</year>
<volume>54</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>430-6</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[Rueda]]></surname>
<given-names><![CDATA[CF]]></given-names>
</name>
<name>
<surname><![CDATA[Villa]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rueda]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Indicadores bibliométricos origen, aplicación, contradicción y nuevas propuestas]]></article-title>
<source><![CDATA[MedUNAB]]></source>
<year>2005</year>
<volume>8</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-36</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miramontes]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Los sistemas complejos como instrumentos de conocimiento y transformación del mundo]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Perspectivas en las teorías de sistemas]]></source>
<year>1999</year>
<page-range>83-92</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Siglo XXI Editores]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Réka]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Barabási]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Statistical Mechanics of Complex Networks]]></article-title>
<source><![CDATA[Reviews of Modern Physics]]></source>
<year>2002</year>
<volume>74</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>47-97</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[Watts]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Strogatz]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Collective Dynamics of Small-World Networks]]></article-title>
<source><![CDATA[Nature]]></source>
<year>1998</year>
<volume>393</volume>
<numero>6684</numero>
<issue>6684</issue>
<page-range>440-2</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[Fredrik]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Christofer]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Nunes Amaral]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Stanley]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
<name>
<surname><![CDATA[Aberg]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The web of human sexual contacts Promiscuous individuals are the vulnerable nodes to target in safe-sex campaigns]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2001</year>
<volume>411</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>907-8</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[Carro]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[WK]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarez]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bollo]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Snyder]]></surname>
<given-names><![CDATA[EY]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The transcriptional network for mesenchymal transformation of brain tumours]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2010</year>
<volume>463</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>318-27</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[Jeong]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Tombor]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Albert]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Oltvai]]></surname>
<given-names><![CDATA[ZN]]></given-names>
</name>
<name>
<surname><![CDATA[Barabási]]></surname>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The large-scale organization of metabolic networks]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2000</year>
<volume>407</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>651-4</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[Mateos]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manuel Velasco-Suárez, médico y maestro In Memoriam]]></article-title>
<source><![CDATA[Gac Méd Méx]]></source>
<year>2002</year>
<volume>138</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>387-8</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[Garza]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aniversario luctuoso Dr Manuel Velasco Suá-rez: paradigma de ser humano (1914-2001)]]></article-title>
<source><![CDATA[Gac Méd Méx]]></source>
<year>2004</year>
<volume>140</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>477-9</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[Garzón]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dr Manuel Velasco Suárez]]></article-title>
<source><![CDATA[Del pueblo, de su medicina, de su gente]]></source>
<year>2015</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>92-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<collab>González de Dios J.Moya M.Mateos MA</collab>
<article-title xml:lang=""><![CDATA[Indicadores bibliométricos Características y limitaciones en el análisis de la actividad científica]]></article-title>
<source><![CDATA[An Esp Pediatr]]></source>
<year>1997</year>
<volume>47</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>235-44</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[Das]]></surname>
<given-names><![CDATA[PK]]></given-names>
</name>
<name>
<surname><![CDATA[Pal]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scientometric evaluation of Sankhyá-the Indian Journal of Statistics]]></article-title>
<source><![CDATA[Malaysian Journal of Library &amp; Information Science]]></source>
<year>2012</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>83-100</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[Kumar]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A bibliometric analysis of research contribution in pearl A journal of library and information science 2012-2016]]></article-title>
<source><![CDATA[International Journal of Library and Information Science (IJLIS)]]></source>
<year>2017</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>26-33</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="book">
<source><![CDATA[Cytoscape: An open source platform for complex network analysis and visualization]]></source>
<year>2018</year>
<publisher-loc><![CDATA[US ]]></publisher-loc>
<publisher-name><![CDATA[National Institute of General Medical Sciences (NIGMS)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<source><![CDATA[Cytoscape App Store-Social Network]]></source>
<year>2018</year>
<publisher-loc><![CDATA[US ]]></publisher-loc>
<publisher-name><![CDATA[University of Toronto]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las redes de colaboración científica y su efecto en la productividad Un análisis bibliométrico]]></article-title>
<source><![CDATA[Investigación Bibliotecológica]]></source>
<year>2013</year>
<volume>27</volume>
<numero>59</numero>
<issue>59</issue>
<page-range>159-75</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[Newman]]></surname>
<given-names><![CDATA[MEJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scientific collaboration networks I Network construction and fundamental results. Physical Review E]]></article-title>
<source><![CDATA[Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics]]></source>
<year>2001</year>
<volume>64</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>016131</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[Newman]]></surname>
<given-names><![CDATA[MEJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scientific collaboration networks II Shortest paths, weighted networks, and centrality. Physical Review E]]></article-title>
<source><![CDATA[Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics]]></source>
<year>2001</year>
<volume>64</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>016132-1</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Redes de coautoría y colaboración Institucional]]></article-title>
<collab>González de Dios J.Sempere AP.Valderrama JC.Aleixandre R</collab>
<source><![CDATA[Rev Neurol]]></source>
<year>2008</year>
<volume>46</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>642-51</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escorcia]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
<name>
<surname><![CDATA[Poutou]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis bibliométrico de los artículos originales publicados en la revista Universi-tas Scientiarum (1987-2007)]]></article-title>
<source><![CDATA[Universitas Scientiarum]]></source>
<year>2008</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>236-44</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[Valera]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis bibliométrico de la productividad científica en la revista MAPFRE MEDICINA]]></article-title>
<collab>De la Gala F</collab>
<source><![CDATA[Mapfre Medicina]]></source>
<year>2001</year>
<volume>12</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>157-67</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barabási]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Albert]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergence of scaling in random networks]]></article-title>
<source><![CDATA[Science]]></source>
<year>1999</year>
<volume>286</volume>
<numero>5439</numero>
<issue>5439</issue>
<page-range>509-12</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Granda]]></surname>
<given-names><![CDATA[JI]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Aleixandre]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Valderrama]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Redes de colaboración científica internacional en tabaquismo: análisis de coautorías mediante el Science Citation Index durante el periodo1999-2003]]></article-title>
<source><![CDATA[Gac Sanit]]></source>
<year>2009</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>222.e34-43</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naranjo]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[QJ]]></given-names>
</name>
<name>
<surname><![CDATA[Jaimes]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Idrovo]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Redes de coautoría de investigación en salud pública en Santander]]></article-title>
<source><![CDATA[Biomédica]]></source>
<year>2014</year>
<volume>34</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>300-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aleixandre]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coautoría y redes de colaboración en la investigación española sobre esclerosis múltiple (1996-2010)]]></article-title>
<collab>González de Dios J.Sempere AP.Castelló L.Bolaños M</collab>
<source><![CDATA[Rev Neurol]]></source>
<year>2013</year>
<volume>57</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>157-66</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camps]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Limitaciones de los indicadores bibliométricos en la evaluación de la actividad científica biomédica]]></article-title>
<source><![CDATA[Colomb Med]]></source>
<year>2008</year>
<volume>39</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>74-9</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trueba]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Estrada]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La base de datos PubMed y la búsqueda de información científica]]></article-title>
<source><![CDATA[Semin Fund Esp Reumatol]]></source>
<year>2010</year>
<volume>11</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>49-63</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Aleixandre]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Importancia para una revista científica de encontrarse incluida en las grandes bases de datos internacionales]]></article-title>
<source><![CDATA[Revista de Patología Respiratoria]]></source>
<year>2012</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>101-3</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
