<?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>0028-3746</journal-id>
<journal-title><![CDATA[Neumología y cirugía de tórax]]></journal-title>
<abbrev-journal-title><![CDATA[Neumol. cir. torax]]></abbrev-journal-title>
<issn>0028-3746</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Neumología y Cirugía de Tórax; Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas; Sociedad Cubana de Neumología; Sociedad Paraguaya de Neumología; Sociedad Boliviana de Neumología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0028-37462021000200089</article-id>
<article-id pub-id-type="doi">10.35366/100988</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fumadores ocasionales y ligeros, prevalencia, importancia y alternativas de tratamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Occasional and light smokers, prevalence, importance and treatment alternatives]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Pérez]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Gómez]]></surname>
<given-names><![CDATA[Leonor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osio-Echánove]]></surname>
<given-names><![CDATA[Jennifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Padilla]]></surname>
<given-names><![CDATA[Rogelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>80</volume>
<numero>2</numero>
<fpage>89</fpage>
<lpage>93</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462021000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462021000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462021000200089&amp;lng=en&amp;nrm=iso"></self-uri><kwd-group>
<kwd lng="es"><![CDATA[Fumar]]></kwd>
<kwd lng="es"><![CDATA[fumadores ocasionales]]></kwd>
<kwd lng="es"><![CDATA[tabaquismo]]></kwd>
<kwd lng="es"><![CDATA[fumadores ligeros]]></kwd>
<kwd lng="en"><![CDATA[Smoking]]></kwd>
<kwd lng="en"><![CDATA[occasional smokers]]></kwd>
<kwd lng="en"><![CDATA[tobacco]]></kwd>
<kwd lng="en"><![CDATA[light smokers]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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