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<front>
<journal-meta>
<journal-id>1134-8046</journal-id>
<journal-title><![CDATA[Revista de la Sociedad Española del Dolor]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Soc. Esp. Dolor]]></abbrev-journal-title>
<issn>1134-8046</issn>
<publisher>
<publisher-name><![CDATA[Inspira Network Group, S.L ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1134-80462020000100013</article-id>
<article-id pub-id-type="doi">10.20986/resed.2019.3758/2019</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tramadol: la ruleta analgésica]]></article-title>
<article-title xml:lang="en"><![CDATA[Tramadol: analgesic roulette]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Picco]]></surname>
<given-names><![CDATA[G]]></given-names>
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<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos Cabrera]]></surname>
<given-names><![CDATA[R]]></given-names>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Erquiaga]]></surname>
<given-names><![CDATA[I]]></given-names>
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<given-names><![CDATA[M]]></given-names>
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</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital San Juan de Dios Unidad de Cuidados Paliativos ]]></institution>
<addr-line><![CDATA[Pamplona ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<volume>27</volume>
<numero>1</numero>
<fpage>65</fpage>
<lpage>65</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1134-80462020000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1134-80462020000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1134-80462020000100013&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
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