<?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>1695-6141</journal-id>
<journal-title><![CDATA[Enfermería Global]]></journal-title>
<abbrev-journal-title><![CDATA[Enferm. glob.]]></abbrev-journal-title>
<issn>1695-6141</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Murcia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1695-61412021000100008</article-id>
<article-id pub-id-type="doi">10.6018/eglobal.423851</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estrés en graduados y técnicos en cuidados auxiliares de enfermería en las áreas quirúrgicas hospitalarias]]></article-title>
<article-title xml:lang="en"><![CDATA[Stress in nursing graduates and healthcare assistants in surgical areas of hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferraz Mesa]]></surname>
<given-names><![CDATA[María de los Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano Barberá]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Montesinos]]></surname>
<given-names><![CDATA[María José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Alarcón]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Martín]]></surname>
<given-names><![CDATA[Jesús María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario de Gran Canaria Doctor Negrín  ]]></institution>
<addr-line><![CDATA[Las Palmas de Gran Canaria ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Murcia  ]]></institution>
<addr-line><![CDATA[Murcia ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Murcia  ]]></institution>
<addr-line><![CDATA[Murcia ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Murcia  ]]></institution>
<addr-line><![CDATA[Murcia ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Universitario de Gran Canaria Doctor Negrín Unidad de Investigación ]]></institution>
<addr-line><![CDATA[La Palmas de Gran Canaria ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>20</volume>
<numero>61</numero>
<fpage>193</fpage>
<lpage>213</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1695-61412021000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1695-61412021000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1695-61412021000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivos: Analizar el nivel de estrés que presentan los Graduados de Enfermería y los Técnicos en Cuidados Auxiliares de Enfermería en las áreas quirúrgicas de los Hospitales Públicos de Gran Canaria.  Material y método: Estudio cuantitativo, descriptivo/observacional de prevalencia transversal, de 143 sujetos (Grado de Enfermería y Técnicos en Cuidados Auxiliares de Enfermería, en adelante T.C.A.E.), en Hospital Universitario de Gran Canaria Doctor Negrín, en adelante H.U.G.C. Dr. Negrín, y Complejo Hospitalario Universitario Insular-Materno Infantil de Canarias, en adelante C.H.U. Insular-Materno Infantil de Canarias, en los servicios de Quirófano, Unidad de Reanimación y Cuidados Críticos (R.E.A.), Unidad de Recuperación Post-anestésica (U.R.P.A.) y Cirugía Mayor Ambulatoria (C.M.A.), durante los años 2016-2019. Mediante una encuesta autocumplimentada de carácter anónimo y voluntario formado por la Escala de estrés percibido (PSS) de Cohen, S., Kamarck, T., y Mermelstein, R. Dispuesta en 14 ítems, además se realizó un cuestionario de 19 ítems de carácter demográfico y sociolaboral, efectuándose cruce de variables dependientes e independientes.  Resultados: Presentan un nivel de estrés con una mediana de 22%. La media es 21.79, la desviación típica 7.26, el percentil 25 da como resultado 17%, el percentil 50 es 22% y el percentil 75 es 39%. La fiabilidad total da como resultado 0.86 en el Alfa de Cronbach.  Conclusiones: Los trabajadores TCAE y Graduados de Enfermería, de las unidades mencionadas presentan un nivel moderado de estrés, pero las instituciones deberían intervenir para minimizarlo lo máximo posible.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objectives: To analyse the stress level in Nursing Graduates and Healthcare Assistants in surgical areas of the Public Hospitals in Gran Canaria.  Material and Methods: Quantitative, descriptive/observational study of cross-sectional prevalence in 143 subjects (Nursing Degree and Healthcare Assistant, henceforth (H.C.A.), in the University Hospital of Gran Canaria Doctor Negrín, henceforth U.H.G.C. Dr. Negrín and Complejo Hospitalario Universitario Insular-Materno Infantil de Canarias(Children and maternity care hospital of the Canary Islands), henceforth the C.H.U. Insular-Materno Infantil de Canarias, in the surgery services/operating rooms, Trauma Resuscitation Unit (TRU) , Post-Anesthesia Care Unit (P.A.C.U.), and Major Outpatient Surgery (M.O.S.), from 2016 to 2019. By means of an anonymous and voluntary self-completion survey based on the Perceived Stress Scale (PSS) from Cohen, S., Kamarck, T., and Mermelstein, R. It was distributed in 14 items, a questionnaire of 19 demographic and socio-labour items was also carried out, applying a cross-sectional design of dependent and independent variables.  Results: They show a stress level with a median of 22%. The mean is 21.79, the standard deviation is 7.26, the 25th percentile results in 17%, the 50th percentile is 22% and the 75th percentile is 39%. Total reliability is 0.86 using Cronbach's Alpha.  Conclusions: H.C.A. workers and Nursing Graduates from the aforementioned units show a moderate level of stress, but institutions should intervene to minimize it as much as possible.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estrés laboral]]></kwd>
<kwd lng="es"><![CDATA[enfermería]]></kwd>
<kwd lng="es"><![CDATA[afrontamiento del estrés]]></kwd>
<kwd lng="es"><![CDATA[ansiedad]]></kwd>
<kwd lng="es"><![CDATA[estrés]]></kwd>
<kwd lng="en"><![CDATA[work stress]]></kwd>
<kwd lng="en"><![CDATA[nursing]]></kwd>
<kwd lng="en"><![CDATA[dealing with stress]]></kwd>
<kwd lng="en"><![CDATA[anxiety]]></kwd>
<kwd lng="en"><![CDATA[stress]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<source><![CDATA[Organización Mundial de Salud]]></source>
<year>1984</year>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lazarus]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Folkman]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Stress, appraisal and coping]]></source>
<year>1984</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer. Publishing Company]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Rahe]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The social readjustment rating scale]]></article-title>
<source><![CDATA[J Psychosom Res]]></source>
<year>1967</year>
<volume>11</volume>
<page-range>213-8</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[Chorot]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sandín]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Life event and stress reactivity as predictors of cancer, coronary heart disease and anxiety disorders]]></article-title>
<source><![CDATA[International Journal of Psychosomatics,]]></source>
<year>1994</year>
<volume>41</volume>
<page-range>34-40</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[Pelechano]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Matud]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
<name>
<surname><![CDATA[Miguel]]></surname>
<given-names><![CDATA[A de]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Habilidades de afrontamiento en enfermos físicos crónicos]]></article-title>
<source><![CDATA[Análisis y Modificación de Conducta]]></source>
<year>1993</year>
<volume>19</volume>
<page-range>91-149</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[Anietei]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Stoica]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Samsonescu]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Particularities of personality traits and perceived stress at workplace]]></article-title>
<source><![CDATA[For the young workers in Romania]]></source>
<year>2013</year>
<volume>84</volume>
<page-range>1010-4</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[Cervantes]]></surname>
<given-names><![CDATA[VH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interpretaciones del coeficiente alpha de Cronbach]]></article-title>
<source><![CDATA[Avances en Medición]]></source>
<year>2005</year>
<volume>3</volume>
<page-range>9-28</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[Cohen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kamarck]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Mermelstein]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A global measure of perceived stress]]></article-title>
<source><![CDATA[Journal of Health and Social Behavior]]></source>
<year>1983</year>
<volume>24</volume>
<page-range>385-96</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[Benavides]]></surname>
<given-names><![CDATA[FG]]></given-names>
</name>
<name>
<surname><![CDATA[Merino-Salazar]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Cornelio]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vices]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cuestionario básico y criterios metodológicos para las Encuestas sobre Condiciones de Trabajo, Empleo y Salud en América Latina y el Caribe]]></article-title>
<source><![CDATA[Cad Saúde Pública]]></source>
<year>2016</year>
<volume>32</volume>
<numero>9</numero>
<issue>9</issue>
<publisher-loc><![CDATA[Rio de Janeiro ]]></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[Martín]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Santiago]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Andrés]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Casadevall]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estrés relacionado con el trabajo y exposición laboral en enfermeras de la Comunidad de Castilla y León]]></article-title>
<source><![CDATA[Enferm Clin]]></source>
<year>2006</year>
<volume>16</volume>
<page-range>119-26</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[Grau]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Suñer]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Desgaste profesional en el personal sanitario y su relación con los factores personales y ambientales]]></article-title>
<source><![CDATA[Gac Sanit]]></source>
<year>2005</year>
<volume>19</volume>
<page-range>463-70</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Llorca Rubio]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación del Estrés Laboral, y sus Consecuencias en Trabajadores del sector sanitario, una perspectiva de género]]></source>
<year>2017</year>
<publisher-name><![CDATA[Universidad de Valencia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabana Salazar]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[García Ceballos]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[García Garcia]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Dávila Ramírez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El síndrome de Burnout en el personal de una unidad quirúrgica]]></article-title>
<source><![CDATA[Revista Médica Electrónica]]></source>
<year>2009</year>
<volume>31</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pablos González]]></surname>
<given-names><![CDATA[M del M]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio de satisfacción laboral y Estrategias de Cambio de las Enfermeras en los Hospitales Públicos de Badajoz y Cáceres]]></source>
<year>2016</year>
<publisher-name><![CDATA[Universidad de Extremadura]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz Oviedo]]></surname>
<given-names><![CDATA[Aracely]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adaptación y estrés laboral en el persona de las unidades médico-quirúrgicas]]></article-title>
<source><![CDATA[Revista iberoamericana de las Ciencias Sociales y Humanísticas]]></source>
<year>2013</year>
<volume>2</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>30-43</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[Lee]]></surname>
<given-names><![CDATA[JSY]]></given-names>
</name>
<name>
<surname><![CDATA[Akhtar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of the workplace social context and job content nurse burnout]]></article-title>
<source><![CDATA[Human Resource Management]]></source>
<year>2011</year>
<volume>50</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>227-45</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[Martín García]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Centeno Cortés]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Sanz-Rubiales]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Valle]]></surname>
<given-names><![CDATA[ML Del]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudio sobre el Síndrome de Burnout en Profesionales de Enfermería de Cuidados Paliativos del País Vasco]]></article-title>
<source><![CDATA[Rev Med Universidad de Navarra]]></source>
<year>2009</year>
<volume>53</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-8</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez Cantora]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Determinantes del Estrés Laboral Asistencial de Personal de Enfermería con enfermos Gerontológicos Terminales]]></source>
<year>2013</year>
<publisher-name><![CDATA[Universidad de Santiago de Compostela]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arrogante]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estrategias de afrontamiento al estrés laboral en Enfermería]]></article-title>
<source><![CDATA[Metas de Enfermería]]></source>
<year>2016</year>
<volume>19</volume>
<numero>10</numero>
<issue>10</issue>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barth]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[FR]]></given-names>
</name>
<name>
<surname><![CDATA[Devos]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[G de]]></given-names>
</name>
<name>
<surname><![CDATA[Ghizoni]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of a moral distress instrument in nurses of primary health care]]></article-title>
<source><![CDATA[Rev Latino-A Enfermagem]]></source>
<year>2008</year>
<volume>26</volume>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Irazabal]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
<name>
<surname><![CDATA[Leano]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
</person-group>
<source><![CDATA[Factores laborales estresantes en el profesional de Enfermería y su influencia en la percepción de calidad de atención a los pacientes del servicio de hospitalización General IESS Quito Sur, Quito]]></source>
<year>2009</year>
<publisher-name><![CDATA[Facultad de Ciencias Médicas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabañas]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Estresores laborales y percepción de autoeficacia del cuidado humanizado en enfermeras(os), servicios de emergencia, Hospital III Yanahuara ESSALUD]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López Montesinos]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<source><![CDATA[Consecuencias Psicosociales del trabajo en personal de Enfermería como indicadores de los Recursos Humanos]]></source>
<year>2009</year>
<publisher-name><![CDATA[Universidad de Murcia]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
