<?xml version="1.0" encoding="iso-8859-1" ?>
<articles>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500001</article-id>
<title-group>
<article-title xml:lang=""></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>León Bratti</surname>
<given-names>María Paz</given-names>
</name>
</contrib>
</contrib-group>
<aff id="A">
<institution>,  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>3</fpage>
<lpage>3</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500001&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500002</article-id>
<title-group>
<article-title xml:lang="es">Asma bronquial</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Chan-Cheng</surname>
<given-names>Wing Ching</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Jiménez-Carro</surname>
<given-names>Marlene</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Antillón-Morales</surname>
<given-names>Sofía</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>lngianna-Acuña</surname>
<given-names>Mario</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Alfaro-Rodríguez</surname>
<given-names>Carlos Jaime</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>López-Odio</surname>
<given-names>Georgina</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Mitchell-Brumley</surname>
<given-names>Ted</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>3</fpage>
<lpage>3</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500002&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Davies</surname>
<given-names>B</given-names>
</name>
<name>
<surname>Brooks</surname>
<given-names>G</given-names>
</name>
<name>
<surname>Devoy</surname>
<given-names>M</given-names>
</name>
</person-group>
<article-title xml:lang="en">The efficacy and safety of salmeterol compared to theophylline: meta-analysis of nine controlled studies</article-title>
<source>Respir Med</source>
<year>1998</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Nelson</surname>
<given-names>HS</given-names>
</name>
</person-group>
<article-title xml:lang="en">Beta-adrenergic bronchodilators</article-title>
<source>N Engl J Med</source>
<year>1995</year>
<month></month>
<day></day>
<volume>333</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Boulet</surname>
<given-names>LP</given-names>
</name>
</person-group>
<article-title xml:lang="en">Long-versus short-acting beta 2-agonists, Implicationns for drug therapy</article-title>
<source>Drug</source>
<year>1994</year>
<month></month>
<day></day>
<volume>47</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Kesten</surname>
<given-names>S</given-names>
</name>
<name>
<surname>chapman</surname>
<given-names>KR</given-names>
</name>
<name>
<surname>Broder</surname>
<given-names>I</given-names>
</name>
<name>
<surname>Cartier</surname>
<given-names>A</given-names>
</name>
<name>
<surname>Hyland</surname>
<given-names>RH</given-names>
</name>
<name>
<surname>Knight</surname>
<given-names>A</given-names>
</name>
</person-group>
<article-title xml:lang="en">A three-month comparison of twice daily inhaled formoterol versus four times daily inhaled albuterol in the managernent of stable asthma</article-title>
<source>Am Rev Respir Dis</source>
<year>1991</year>
<month></month>
<day></day>
<volume>144</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Wenzel</surname>
<given-names>SE</given-names>
</name>
<name>
<surname>Lumry</surname>
<given-names>W</given-names>
</name>
<name>
<surname>Manning</surname>
<given-names>M</given-names>
</name>
<name>
<surname>Kalberg</surname>
<given-names>C</given-names>
</name>
<name>
<surname>Cox</surname>
<given-names>F</given-names>
</name>
<name>
<surname>Emmett</surname>
<given-names>A</given-names>
</name>
</person-group>
<article-title xml:lang="en">Efficacy, safety, and effects on quality of life of salmeterol versus albuterol in patients with mild to moderate persistent asthma</article-title>
<source>Ann Allergy Asthma immunol</source>
<year>1998</year>
<month></month>
<day></day>
<volume>80</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Shrewsbury</surname>
<given-names>S</given-names>
</name>
<name>
<surname>Pyke</surname>
<given-names>S</given-names>
</name>
<name>
<surname>Britton</surname>
<given-names>M</given-names>
</name>
</person-group>
<article-title xml:lang="en">Meta-analysis of increased dose of inhaled steroid or addition of salmeterol in symptomatic asthma (MIASMA)</article-title>
<source>BMJ</source>
<year>2000</year>
<month></month>
<day></day>
<volume>320</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Grecning</surname>
<given-names>AP</given-names>
</name>
<name>
<surname>Ind</surname>
<given-names>PW</given-names>
</name>
<name>
<surname>Northfleld</surname>
<given-names>M</given-names>
</name>
<name>
<surname>Shaw</surname>
<given-names>G</given-names>
</name>
</person-group>
<article-title xml:lang="en">Added salmeterol versus higher-dose corticosteroid in asthma patients with symptoms on existing inhaled corticosteroid</article-title>
<source>Lancet</source>
<year>1994</year>
<month></month>
<day></day>
<volume>344</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Woolcock</surname>
<given-names>A</given-names>
</name>
<name>
<surname>Lundback</surname>
<given-names>B</given-names>
</name>
<name>
<surname>Ringdal</surname>
<given-names>N</given-names>
</name>
<name>
<surname>Jaeques</surname>
<given-names>LA</given-names>
</name>
</person-group>
<article-title xml:lang="en">Comparison of addition of salmeterol to inhaled steroids with doubling of the dose of inhaled steroids</article-title>
<source>Am J Respir Crit Care Med</source>
<year>1996</year>
<month></month>
<day></day>
<volume>153</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Kips</surname>
<given-names>JC</given-names>
</name>
<name>
<surname>O'Connor</surname>
<given-names>BJ</given-names>
</name>
<name>
<surname>Imnan</surname>
<given-names>MD</given-names>
</name>
<name>
<surname>Svensson</surname>
<given-names>K</given-names>
</name>
<name>
<surname>Pauwels</surname>
<given-names>RA</given-names>
</name>
<name>
<surname>O'Byme</surname>
<given-names>PM</given-names>
</name>
</person-group>
<article-title xml:lang="en">A long Term study of the antiinflamatory effect of llowdose budesonida plus formoterol versus high-dose budesonida in asthma</article-title>
<source>Am J Respir Crit Care Med</source>
<year>2000</year>
<month></month>
<day></day>
<volume>161</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Lipworth</surname>
<given-names>BJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">Leukotriene-receptor antagonists</article-title>
<source>Lancet</source>
<year>1999</year>
<month></month>
<day></day>
<volume>353</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Barnes</surname>
<given-names>NC</given-names>
</name>
<name>
<surname>Miller</surname>
<given-names>CJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">Effect of leukotriene receptor antagonist therapy on the risk of asthma exacerbations in patients with mild to moderate asthma: an integrated analysis of Zafirlukast trials</article-title>
<source>Thorax</source>
<year>2000</year>
<month></month>
<day></day>
<volume>55</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Laviolette</surname>
<given-names>M</given-names>
</name>
<name>
<surname>Malmstrom</surname>
<given-names>K</given-names>
</name>
<name>
<surname>lu</surname>
<given-names>S</given-names>
</name>
<name>
<surname>Chervinsky</surname>
<given-names>P</given-names>
</name>
<name>
<surname>Flujet</surname>
<given-names>JC</given-names>
</name>
<name>
<surname>Peszek</surname>
<given-names>I</given-names>
</name>
</person-group>
<article-title xml:lang="en">Montelukast added to inhaled beclomethasone in treatment of asthma</article-title>
<source>Am J Respir Crit Care Med</source>
<year>1999</year>
<month></month>
<day></day>
<volume>160</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Virchow</surname>
<given-names>JC</given-names>
</name>
<name>
<surname>Prasse</surname>
<given-names>A</given-names>
</name>
<name>
<surname>Naya</surname>
<given-names>I</given-names>
</name>
<name>
<surname>Summerton</surname>
<given-names>L</given-names>
</name>
<name>
<surname>Harris</surname>
<given-names>A</given-names>
</name>
</person-group>
<article-title xml:lang="en">Zaflrlukast irnproves asthma control in patients receiving high-dose inhaled corti-costeroids</article-title>
<source>Am J Respir Crit Care Med</source>
<year>2000</year>
<month></month>
<day></day>
<volume>162</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500003</article-id>
<title-group>
<article-title xml:lang="es">Enfermedad Pulmonar Obstructiva Crónica (EPOC)</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Chacón-Chaves</surname>
<given-names>Ronald A.</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Sibaja-Campos</surname>
<given-names>Mario</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Dávila-Haas</surname>
<given-names>Juan A.</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Gutiérrez-Pimentel</surname>
<given-names>Rodolfo</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Gutiérrez-Sanabria</surname>
<given-names>Alexis</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rocha-Contreras</surname>
<given-names>Betty</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Sánchez-Romero</surname>
<given-names>Gabriela</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>23</fpage>
<lpage>28</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500003&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500003&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500003&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
</person-group>
<article-title xml:lang="en">Global Initiative for the diagnosis, management, and prevention of chronic obstructive pulmonary disease</article-title>
<source>Global Initiative for the diagnosis, management, and prevention of chronic obstructive pulmonary disease</source>
<year>2001</year>
<month></month>
<day></day>
<volume>2701</volume>
<publisher-loc> </publisher-loc>
<publisher-name>National Heart Lung Blood Institute/WHO</publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Burrows</surname>
<given-names>B</given-names>
</name>
<name>
<surname>Niden</surname>
<given-names>AH</given-names>
</name>
<name>
<surname>Barclay</surname>
<given-names>WR</given-names>
</name>
<name>
<surname>Kasik</surname>
<given-names>JE</given-names>
</name>
</person-group>
<article-title xml:lang="en">Chronic obstructive lung disease II. Relationships of clinical and physiological findings to the severity of airways obstruction</article-title>
<source>Am Rev Respir Dis</source>
<year>1965</year>
<month></month>
<day></day>
<volume>91</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
</person-group>
<article-title xml:lang="en">Definition and classification of chronic bronchitis for clinical and epidemiological purposes: a report to the Medical Rescarch Council by their Committee on the Aetiology of Chronic Bronchitis</article-title>
<source>Lancet</source>
<year>1965</year>
<month></month>
<day></day>
<volume>1</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Celli</surname>
<given-names>BR</given-names>
</name>
<name>
<surname>Rassulo</surname>
<given-names>J</given-names>
</name>
<name>
<surname>Make</surname>
<given-names>BJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">Dyssynchronous breathing during arm but not leg exercise in patients with chronic air flow obstruction</article-title>
<source>N Engl J Med</source>
<year>1986</year>
<month></month>
<day></day>
<volume>314</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Badgett</surname>
<given-names>RC</given-names>
</name>
<name>
<surname>Tanaka</surname>
<given-names>DV</given-names>
</name>
<name>
<surname>Hunt</surname>
<given-names>DK</given-names>
</name>
<name>
<surname>Jelley</surname>
<given-names>MJ</given-names>
</name>
<name>
<surname>Feinberg</surname>
<given-names>LE</given-names>
</name>
<name>
<surname>Steiner</surname>
<given-names>JF</given-names>
</name>
</person-group>
<article-title xml:lang="en">Can moderate chronic obstructive pulmonary disease he diagnosed by history and physical findings alone?</article-title>
<source>Am J Med</source>
<year>1993</year>
<month></month>
<day></day>
<volume>94</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
</person-group>
<article-title xml:lang="en">Standardization of spirometry, 1994 update</article-title>
<source>Am J Respir Crit Care Med</source>
<year>1995</year>
<month></month>
<day></day>
<volume>152</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Kelly</surname>
<given-names>CA</given-names>
</name>
<name>
<surname>Gibson</surname>
<given-names>GJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">Relation between FEV 1 and peak expiratory flow in patients with chronic obstructive pulmonary disease</article-title>
<source>Thorax</source>
<year>1988</year>
<month></month>
<day></day>
<volume>43</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Lal</surname>
<given-names>S</given-names>
</name>
<name>
<surname>Ferguson</surname>
<given-names>AD</given-names>
</name>
<name>
<surname>Campbell</surname>
<given-names>EJM</given-names>
</name>
</person-group>
<article-title xml:lang="en">Forced expiratory time; a simple test for airways obstruction</article-title>
<source>BMJ</source>
<year>1964</year>
<month></month>
<day></day>
<volume>1</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Hansen</surname>
<given-names>EF</given-names>
</name>
<name>
<surname>Phanaredi</surname>
<given-names>K</given-names>
</name>
<name>
<surname>Laursen</surname>
<given-names>LC</given-names>
</name>
<name>
<surname>KokJensen</surname>
<given-names>A</given-names>
</name>
<name>
<surname>Dirksen</surname>
<given-names>A</given-names>
</name>
</person-group>
<article-title xml:lang="en">Reversible and irreversible airflow obstruction as predictor of overall mortality in asthma and chronic obstructive pulmonary disease</article-title>
<source>Am J Respir Crit Care Med</source>
<year>1999</year>
<month></month>
<day></day>
<volume>159</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Anthonisen</surname>
<given-names>NR</given-names>
</name>
<name>
<surname>Wright</surname>
<given-names>EC</given-names>
</name>
</person-group>
<article-title xml:lang="en">Bronchodilator response in chronic obstructive pulmonary disease</article-title>
<source>Am Rev Respir Dis</source>
<year>1986</year>
<month></month>
<day></day>
<volume>133</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Sourk</surname>
<given-names>RL</given-names>
</name>
<name>
<surname>Nugent</surname>
<given-names>KM</given-names>
</name>
</person-group>
<article-title xml:lang="en">Bronchodilator testing: confidence intervals derived from placebo inhalations</article-title>
<source>Am Rev Respir Dis</source>
<year>1983</year>
<month></month>
<day></day>
<volume>128</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Roberts</surname>
<given-names>CM</given-names>
</name>
<name>
<surname>Bugler</surname>
<given-names>JR</given-names>
</name>
<name>
<surname>Melchor</surname>
<given-names>R</given-names>
</name>
<name>
<surname>Hetzel</surname>
<given-names>ML</given-names>
</name>
<name>
<surname>Spiro</surname>
<given-names>SG</given-names>
</name>
</person-group>
<article-title xml:lang="en">Value of pulse oximetry for long-term oxygen therapy requirement</article-title>
<source>Eur Respir J</source>
<year>1993</year>
<month></month>
<day></day>
<volume>6</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500004</article-id>
<title-group>
<article-title xml:lang="es">Guías para el manejo de la Neumonía Adquirida en la Comunidad (NAC) en adultos</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Solano</surname>
<given-names>Antonio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Jiménez</surname>
<given-names>Marlene</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Dobles</surname>
<given-names>Carlos</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Saldarriaga</surname>
<given-names>Mauricio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Avilés</surname>
<given-names>Álvaro</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Villalobos</surname>
<given-names>Juan</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Mora</surname>
<given-names>Jorge</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Herrera</surname>
<given-names>Gisela</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Guevara</surname>
<given-names>Emilio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Ramírez</surname>
<given-names>Jorge</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Padilla</surname>
<given-names>Juan I</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Vives</surname>
<given-names>Enrique</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Chacón</surname>
<given-names>Ronald</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rojas</surname>
<given-names>Manuel</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Cordero</surname>
<given-names>Bernal</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Fernández</surname>
<given-names>Jaime</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Wu</surname>
<given-names>Carlos</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Messino</surname>
<given-names>Alfredo</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>29</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500004&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Fine</surname>
<given-names>MJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">A prediction rule to identify low-risk patients with community-acquired pneumonia</article-title>
<source>N Engl J Med</source>
<year>1997</year>
<month></month>
<day></day>
<volume>336</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Fine</surname>
<given-names>MJ</given-names>
</name>
</person-group>
<article-title xml:lang="en">prognosis and outcomes of patients with community acquired pneumonia</article-title>
<source>JAMA</source>
<year>1996</year>
<month></month>
<day></day>
<volume>275</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Bartlett</surname>
<given-names>J</given-names>
</name>
</person-group>
<article-title xml:lang="en">Practice Guidelines for the management of Community Acquired Pneumonia in Adults</article-title>
<source>Clin Infect Dis</source>
<year>2000</year>
<month></month>
<day></day>
<volume>31</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Niederman</surname>
<given-names>MS</given-names>
</name>
</person-group>
<article-title xml:lang="en">Guidelines for the initial empiric therapy of community-acquired pneumonia: prcoceedings of an American Thoracic Society Consensos Conference</article-title>
<source>Am Rev Resp Dis</source>
<year>1993</year>
<month></month>
<day></day>
<volume>148</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
</person-group>
<article-title xml:lang="en">Guidelines for the management of with community-acquired pneumonia in adults admitted to the hospital</article-title>
<source>Br J Hosp Med</source>
<year>1993</year>
<month></month>
<day></day>
<volume>4</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500005</article-id>
<title-group>
<article-title xml:lang="es">Tumores pared torácica</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Herrera-Rodríguez</surname>
<given-names>Marco</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Miranda-Chavarría</surname>
<given-names>John</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>33</fpage>
<lpage>34</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500005&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Shields</surname>
<given-names>T</given-names>
</name>
</person-group>
<article-title xml:lang="en">General Thoracic Surgery</article-title>
<source>General Thoracic Surgery</source>
<year>1994</year>
<month></month>
<day></day>
<edition>Cuarta Edicion</edition>
<publisher-loc> </publisher-loc>
<publisher-name>Williams &amp; Wilkins</publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>F</given-names>
</name>
</person-group>
<article-title xml:lang="en">Thoracic Surgery</article-title>
<source>Thoracic Surgery</source>
<year>1995</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>E</given-names>
</name>
</person-group>
<article-title xml:lang="en">Seminars</article-title>
<source>Thoracic and Cardiovascular Surgery</source>
<year>1992</year>
<month></month>
<day></day>
<volume>4</volume>
<issue>^s1</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Benfield</surname>
<given-names>J</given-names>
</name>
</person-group>
<source>Chest Surgery Clinics of North America</source>
<year>1992</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500006</article-id>
<title-group>
<article-title xml:lang="es">Cáncer de pulmón</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Mainieri-Hidalgo</surname>
<given-names>José A.</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Brenes-Dittel</surname>
<given-names>Alejandro</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>35</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500006&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Shields</surname>
<given-names>T</given-names>
</name>
</person-group>
<article-title xml:lang="en">General Thoracic Surgery</article-title>
<source>General Thoracic Surgery</source>
<year>1994</year>
<month></month>
<day></day>
<edition>Cuarta Edición</edition>
<publisher-loc> </publisher-loc>
<publisher-name>Williams &amp; Wilkins</publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>F</given-names>
</name>
</person-group>
<article-title xml:lang="en">Thoracic Surgery</article-title>
<source>Thoracic Surgery</source>
<year>1995</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>F</given-names>
</name>
</person-group>
<article-title xml:lang="en">Seminars</article-title>
<source>Thoracic and Cardiovascular Surgery</source>
<year>1992</year>
<month></month>
<day></day>
<volume>4</volume>
<issue>^s1</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Benfield</surname>
<given-names>J</given-names>
</name>
</person-group>
<article-title xml:lang="en">Chest Surgery Clinics of North America</article-title>
<source>Chest Surgery Clinics of North America</source>
<year>1992</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500007</article-id>
<title-group>
<article-title xml:lang="es">Tumores de mediastino</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Arce-Quesada</surname>
<given-names>José Mauricio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Valverde-Robert</surname>
<given-names>Raúl</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>40</fpage>
<lpage>41</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500007&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Shields</surname>
<given-names>T</given-names>
</name>
</person-group>
<article-title xml:lang="en">General Thoracic Surgery</article-title>
<source>General Thoracic Surgery</source>
<year>1994</year>
<month></month>
<day></day>
<edition>Cuarta Edicion</edition>
<publisher-loc> </publisher-loc>
<publisher-name>Williams &amp; Wilkins</publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>F</given-names>
</name>
</person-group>
<article-title xml:lang="en">Thoracic Surgery</article-title>
<source>Thoracic Surgery</source>
<year>1995</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Pearson</surname>
<given-names>F</given-names>
</name>
</person-group>
<article-title xml:lang="en">Seminars</article-title>
<source>Thoracic and Cardiovascular Surgery</source>
<year>1992</year>
<month></month>
<day></day>
<volume>4</volume>
<issue>^s1</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Benfield</surname>
<given-names>J</given-names>
</name>
</person-group>
<article-title xml:lang="en">Chest Surgery Clinies of North America</article-title>
<source>Chest Surgery Clinies of North America</source>
<year>1992</year>
<month></month>
<day></day>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
<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 pub-id-type="pid">S0001-600220030005</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022003000500008</article-id>
<title-group>
<article-title xml:lang="es">Fibrosis quística</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Solís-Moya</surname>
<given-names>Arturo</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Gutiérrez-S</surname>
<given-names>José Pablo</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Asociación Costarricense de Neumología y Cirugía de Tórax  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<year>2003</year>
</pub-date>
<volume>45</volume>
<fpage>42</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022003000500008&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022003000500008&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022003000500008&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
<back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Davis</surname>
<given-names>P.B</given-names>
</name>
</person-group>
<article-title xml:lang="es">Fibrosis Quística</article-title>
<source>Pediatrics in Review</source>
<year>2001</year>
<month></month>
<day></day>
<volume>22</volume>
<issue>^s8</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Borowitz</surname>
<given-names>D</given-names>
</name>
<name>
<surname>Baker</surname>
<given-names>R.D</given-names>
</name>
<name>
<surname>Stallings</surname>
<given-names>V</given-names>
</name>
</person-group>
<article-title xml:lang="en">Consensus report on nutrition for pediatric patients with cystic fibrosis</article-title>
<source>J Pediatr Gastr and Nutr</source>
<year>2002</year>
<month></month>
<day></day>
<volume>35</volume>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
</person-group>
<article-title xml:lang="en">Antibiotic treatinent for cystic fibrosis. Report of the UK cystic fibrosis antibiotic group</article-title>
<source>Antibiotic treatinent for cystic fibrosis. Report of the UK cystic fibrosis antibiotic group</source>
<year>2002</year>
<month></month>
<day></day>
<edition>Second edition</edition>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Molina</surname>
<given-names>M</given-names>
</name>
<name>
<surname>Prieto</surname>
<given-names>G</given-names>
</name>
<name>
<surname>Sarría</surname>
<given-names>J</given-names>
</name>
<name>
<surname>Polanco</surname>
<given-names>I</given-names>
</name>
</person-group>
<article-title xml:lang="es">Fibrosis Quística: aspectos nutricionales</article-title>
<source>An Esp Pediatr</source>
<year>2001</year>
<month></month>
<day></day>
<volume>54</volume>
<issue>^s6</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Orenstein</surname>
<given-names>D</given-names>
</name>
<name>
<surname>Winnie</surname>
<given-names>G.B</given-names>
</name>
<name>
<surname>Altman</surname>
<given-names>H</given-names>
</name>
</person-group>
<article-title xml:lang="en">Cystic Fibrosis: a 2002 update</article-title>
<source>J Pediatr</source>
<year>2002</year>
<month></month>
<day></day>
<volume>140</volume>
<issue>^s2</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Wilmott</surname>
<given-names>RW</given-names>
</name>
</person-group>
<article-title xml:lang="en">Making the diagnosis of cystic fibrosis</article-title>
<source>J Pediatr</source>
<year>1998</year>
<month></month>
<day></day>
<volume>132</volume>
<issue>^s4</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname>Rosesnstein</surname>
<given-names>BJ</given-names>
</name>
<name>
<surname>Cutting</surname>
<given-names>GR</given-names>
</name>
</person-group>
<article-title xml:lang="en">The cystic fibrosis foundation consensos panel. The diagnosis of cystic fibrosis: a consensos statement</article-title>
<source>J Pediatr</source>
<year>1998</year>
<month></month>
<day></day>
<volume>132</volume>
<issue>^s4</issue>
<publisher-loc> </publisher-loc>
<publisher-name></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
</articles>
