<?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>S0028-37462020000300151</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hallazgos por ecocardiografía bidimensional en individuos con sospecha de hipertensión pulmonar. Experiencia de cinco años en el sureste de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Bidimensional echocardiographic findings in patients with suspected pulmonary hypertension. A 5-year experience in the southeast of Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manjarrez-Martín]]></surname>
<given-names><![CDATA[Danielle Aimee]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-López]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Morales]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torre-Bouscoulet]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortes-Telles]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de Alta Especialidad de la Península de Yucatán  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Desarrollo e Innovación en Fisiología Respiratoria  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>79</volume>
<numero>3</numero>
<fpage>151</fpage>
<lpage>158</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462020000300151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462020000300151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462020000300151&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El ecocardiograma bidimensional transtorácico es una herramienta portátil, no invasiva, con mayor accesibilidad que el cateterismo cardíaco derecho. Brinda múltiples parámetros confiables sobre la hemodinámica pulmonar; sin embargo, la información disponible que respalda el uso del ecocardiograma transtorácico en sujetos con sospecha de hipertensión pulmonar es muy limitada.  Material y métodos:  Análisis transversal de un estudio de cohorte que incluyó de manera prospectiva y consecutiva la totalidad de individuos con sospecha de hipertensión pulmonar (diferentes del Grupo 2), que fueron evaluados en el Departamento de Neumología y Cirugía de Tórax del Hospital Regional de Alta Especialidad de la Península de Yucatán, México.  Resultados:  El reporte incluye 52 pacientes con mediana de edad de 52 años (RIC 31-65) y 78% mujeres. Entre los posibles casos atribuibles al Grupo 1, el principal subgrupo lo constituyó el relacionado con enfermedades cardíacas congénitas. Entre las variables ecocardiográficas que pueden permitir un mejor tamizaje de los pacientes con sospecha de hipertensión pulmonar Grupo 1 se observaron: TAPSE (OR 0.82, IC 95% 0.69-0.96) y PsAP (OR 1.08, IC 95% 1.04-1.14).  Conclusión:  En nuestro medio el uso de ecocardiograma transtorácico es aceptable en la evaluación de los casos con sospecha de hipertensión pulmonar, en particular cuando se evalúan mujeres con historia de enfermedad cardíaca congénita.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Two-dimensional transthoracic echocardiogram is a portable, non-invasive tool, with greater accessibility than the right heart catheterization and provides multiple reliable parameters regarding pulmonary hemodynamics; however, the available information supporting the use of two-dimensional transthoracic echocardiogram in subjects with suspected HP is very limited.  Material and methods:  This is a cross-sectional analysis of a cohort study that has prospectively and consecutively included all subjects with suspected pulmonary hypertension (different from group 2), which have been evaluated in the Respiratory and Thoracic Surgery Unit of the Hospital Regional de Alta Especialidad de la Península de Yucatán, México.  Results:  The report includes 52 patients with a median age of 52 years (IQR 31-65) and 78% were female. Among the possible cases attributable to group 1, the main subgroup was the one related to congenital heart diseases. Among the echocardiographic variables that may allow better screening of patients with suspected HP group 1 were: TAPSE (OR 0.82, 95% CI 0.69-0.96) and PsAP (OR 1.08, 95% CI 1.04-1.14).  Conclusion:  In our setting, the use of ECOTT is acceptable in the evaluation of cases with suspected HP, particularly when evaluating women with a history of congenital heart disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hipertensión pulmonar]]></kwd>
<kwd lng="es"><![CDATA[enfermedades cardíacas congénitas]]></kwd>
<kwd lng="es"><![CDATA[función pulmonar]]></kwd>
<kwd lng="es"><![CDATA[ecocardiografía bidimensional]]></kwd>
<kwd lng="es"><![CDATA[prevalencia]]></kwd>
<kwd lng="en"><![CDATA[Pulmonary hypertension]]></kwd>
<kwd lng="en"><![CDATA[congenital heart disease]]></kwd>
<kwd lng="en"><![CDATA[lung function]]></kwd>
<kwd lng="en"><![CDATA[two-dimensional echocardiography]]></kwd>
<kwd lng="en"><![CDATA[prevalence]]></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[Badesch]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Champion]]></surname>
<given-names><![CDATA[HC]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Hoeper]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Loyd]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Manes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis and assessment of pulmonary arterial hypertension]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>2009</year>
<volume>54</volume>
<page-range>S55-66</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[Galiè]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Humbert]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Vachiery]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Gibbs]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Torbicki]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[2015 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension: The Joint Task Force for the Diagnosis and Treatment of Pulmonary Hypertension of the European Society of Cardiology (ESC) and the European Respiratory Society (ERS): Endorsed by: Association for European Paediatric and Congenital Cardiology (AEPC), International Society for Heart and Lung Transplantation (ISHLT)]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2015</year>
<volume>46</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>903-75</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[Klinger]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Elliott]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
<name>
<surname><![CDATA[Levine]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bossone]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Duvall]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Fagan]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Therapy for pulmonary arterial hypertension in adults: Update of the CHEST Guideline and Expert Panel Report]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2019</year>
<volume>155</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>565-86</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[McGoon]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Benza]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Escribano-Subias]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Peacock]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension: epidemiology and registries]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>2013</year>
<volume>62</volume>
<numero>^s25</numero>
<issue>^s25</issue>
<supplement>25</supplement>
<page-range>D51-9</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[Badesch]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Raskob]]></surname>
<given-names><![CDATA[GE]]></given-names>
</name>
<name>
<surname><![CDATA[Elliott]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
<name>
<surname><![CDATA[Krichman]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Farber]]></surname>
<given-names><![CDATA[HW]]></given-names>
</name>
<name>
<surname><![CDATA[Frost]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension: baseline characteristics from the REVEAL registry]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2010</year>
<volume>137</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>376-87</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[Humbert]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sitbon]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Chaouat]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bertocchi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Habib]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Gressin]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension in France: results from a national registry]]></article-title>
<source><![CDATA[Am J Respir Crit Care Med]]></source>
<year>2006</year>
<volume>173</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1023-30</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[Alves JL Jr, Gavilanes]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Jardim]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[CJCDS]]></given-names>
</name>
<name>
<surname><![CDATA[Morinaga]]></surname>
<given-names><![CDATA[LTK]]></given-names>
</name>
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension in the southern hemisphere: results from a registry of incident Brazilian cases]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2015</year>
<volume>147</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>495-501</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[Pulido]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Adzerikho]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Channick]]></surname>
<given-names><![CDATA[RN]]></given-names>
</name>
<name>
<surname><![CDATA[Delcroix]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Galiè]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Ghofrani]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macitentan and morbidity and mortality in pulmonary arterial hypertension]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2013</year>
<volume>369</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>809-18</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[Al-Naamani]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Espitia]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Velazquez-Moreno]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Macuil-Chazaro]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano-Lopez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Vega-Barrientos]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chronic thromboembolic pulmonary hypertension: Experience from a single center in Mexico]]></article-title>
<source><![CDATA[Lung]]></source>
<year>2016</year>
<volume>194</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>315-23</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[Calderon-Colmenero]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval Zárate]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Beltrán Gámez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[[Pulmonary hypertension associated with congenital heart disease and Eisenmenger syndrome]]]></article-title>
<source><![CDATA[Arch Cardiol Mex]]></source>
<year>2015</year>
<volume>85</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>32-49</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[Mehta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sastry]]></surname>
<given-names><![CDATA[BKS]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Torbicki]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ghofrani]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Channick]]></surname>
<given-names><![CDATA[RN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macitentan improves health-related quality of life for patients with pulmonary arterial hypertension: Results from the randomized controlled SERAPHIN trial]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2017</year>
<volume>151</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>106-18</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[Hoeper]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Bogaard]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Condliffe]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Frantz]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Khanna]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kurzyna]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Definitions and diagnosis of pulmonary hypertension]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>2013</year>
<volume>62</volume>
<page-range>D42-50</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[Denis]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Blanhir]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Rosas-Romero Mde]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Ramírez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[[Relevance of society&#8217;s participation in medicine. The case of pulmonary hypertension in Latin America]]]></article-title>
<source><![CDATA[Arch Cardiol Mex]]></source>
<year>2011</year>
<volume>81</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>68-9</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[Goerne]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Batra]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Rajiah]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Imaging of pulmonary hypertension: an update]]></article-title>
<source><![CDATA[Cardiovasc Diagn Ther]]></source>
<year>2018</year>
<volume>8</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>279-96</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cordina]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Playford]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Celermajer]]></surname>
<given-names><![CDATA[DS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[State-of-the-Art Review: Echocardiography in pulmonary hypertension]]></article-title>
<source><![CDATA[Heart Lung Circ]]></source>
<year>2019</year>
<volume>28</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1351-64</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[Shelburne]]></surname>
<given-names><![CDATA[NJ]]></given-names>
</name>
<name>
<surname><![CDATA[Parikh]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Chiswell]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Shaw]]></surname>
<given-names><![CDATA[LK]]></given-names>
</name>
<name>
<surname><![CDATA[Sivak]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Arges]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Echocardiographic assessment of right ventricular function and response to therapy in pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Am J Cardiol]]></source>
<year>2019</year>
<volume>124</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1298-304</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[Goldberg]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Mazur]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Kalra]]></surname>
<given-names><![CDATA[DK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary hypertension: diagnosis, imaging techniques, and novel therapies]]></article-title>
<source><![CDATA[Cardiovasc Diagn Ther]]></source>
<year>2017</year>
<volume>7</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>405-17</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Meng]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the hemodynamics and right ventricular function in pulmonary hypertension by echocardiography compared with right-sided heart catheterization]]></article-title>
<source><![CDATA[Exp Ther Med]]></source>
<year>2017</year>
<volume>14</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>3616-22</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stenton]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The MRC breathlessness scale]]></article-title>
<source><![CDATA[Occup Med (Lond)]]></source>
<year>2008</year>
<volume>58</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>226-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taichman]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[McGoon]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Harhay]]></surname>
<given-names><![CDATA[MO]]></given-names>
</name>
<name>
<surname><![CDATA[Archer-Chicko Ch, Sager]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Murugappan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Wide variation in clinicians&#8217; assessment of New York Heart Association/World Health Organization functional class in patients with pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Mayo Clin Proc]]></source>
<year>2009</year>
<volume>84</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>586-92</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<collab>ATS Committee on Proficiency Standards for Clinical Pulmonary Function Laboratories</collab>
<article-title xml:lang=""><![CDATA[ATS statement: guidelines for the six-minute walk test]]></article-title>
<source><![CDATA[Am J Respir Crit Care Med]]></source>
<year>2002</year>
<volume>166</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>111-7</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[Graham]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[Steenbruggen]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Barjaktarevic]]></surname>
<given-names><![CDATA[IZ]]></given-names>
</name>
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[BG]]></given-names>
</name>
<name>
<surname><![CDATA[Hall]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Standardization of spirometry 2019 update. An Official American Thoracic Society and European Respiratory Society Technical Statement]]></article-title>
<source><![CDATA[Am J Respir Crit Care Med]]></source>
<year>2019</year>
<volume>200</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>e70-88</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[Duffels]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Engelfriet]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Berger]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[van Loon]]></surname>
<given-names><![CDATA[RLE]]></given-names>
</name>
<name>
<surname><![CDATA[Hoendermis]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Vriend]]></surname>
<given-names><![CDATA[JWJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension in congenital heart disease: an epidemiologic perspective from a Dutch registry]]></article-title>
<source><![CDATA[Int J Cardiol]]></source>
<year>2007</year>
<volume>120</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>198-204</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[Engelfriet]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Duffels]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Möller]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Boersma]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Tijssen]]></surname>
<given-names><![CDATA[JGP]]></given-names>
</name>
<name>
<surname><![CDATA[Thaulow]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial hypertension in adults born with a heart septal defect: the Euro Heart Survey on adult congenital heart disease]]></article-title>
<source><![CDATA[Heart]]></source>
<year>2007</year>
<volume>93</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>682-7</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[Thenappan]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Rich]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gomberg-Maitland]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A USA-based registry for pulmonary arterial hypertension: 1982-2006]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2007</year>
<volume>30</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1103-10</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[Baltaxe]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Zarante]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[[Prevalence of congenital heart disease in 44,985 newborns in Colombia]]]></article-title>
<source><![CDATA[Arch Cardiol Mex]]></source>
<year>2006</year>
<volume>76</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>263-8</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[Kapoor]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of congenital heart disease, Kanpur, India]]></article-title>
<source><![CDATA[Indian Pediatr]]></source>
<year>2008</year>
<volume>45</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>309-11</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[Mendieta-Alcántara]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Santiago-Alcántara]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mendieta-Zerón]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Dorantes-Pina]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz de Zárate-Alarcón]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Otero-Ojeda]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[[Incidence of congenital heart disease and factors associated with mortality in children born in two Hospitals in the State of Mexico]]]></article-title>
<source><![CDATA[Gac Med Mex]]></source>
<year>2013</year>
<volume>149</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>617-23</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[Torres-Cosme]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Rolón-Porras]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Aguinaga-Ríos]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta-Granado]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-Muñoz]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Murguía-Peniche]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality from congenital heart disease in Mexico: A problem on the rise]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2016</year>
<volume>11</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boucly]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Weatherald]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Savale]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Jaïs]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Cottin]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Prevot]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk assessment, prognosis and guideline implementation in pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2017</year>
<volume>50</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1700889</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[Leuchte]]></surname>
<given-names><![CDATA[HH]]></given-names>
</name>
<name>
<surname><![CDATA[El Nounou]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tuerpe]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Hartmann]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Baumgartner]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Vogeser]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[N-terminal pro-brain natriuretic peptide and renal insufficiency as predictors of mortality in pulmonary hypertension]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2007</year>
<volume>131</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>402-9</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[de Bold]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Borenstein]]></surname>
<given-names><![CDATA[HB]]></given-names>
</name>
<name>
<surname><![CDATA[Veress]]></surname>
<given-names><![CDATA[AT]]></given-names>
</name>
<name>
<surname><![CDATA[Sonnenberg]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A rapid and potent natriuretic response to intravenous injection of atrial myocardial extract in rats]]></article-title>
<source><![CDATA[Life Sci]]></source>
<year>1981</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>89-94</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salerno]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Marik]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Brain natriuretic peptide measurement in pulmonary medicine]]></article-title>
<source><![CDATA[Respir Med]]></source>
<year>2011</year>
<volume>105</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1770-5</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Naamani]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Palevsky]]></surname>
<given-names><![CDATA[HI]]></given-names>
</name>
<name>
<surname><![CDATA[Lederer]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Horn]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
<name>
<surname><![CDATA[Mathai]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Roberts]]></surname>
<given-names><![CDATA[KE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prognostic significance of biomarkers in pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Ann Am Thorac Soc]]></source>
<year>2016</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>25-30</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Low]]></surname>
<given-names><![CDATA[AT]]></given-names>
</name>
<name>
<surname><![CDATA[Medford]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Millar]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Tulloh]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lung function in pulmonary hypertension]]></article-title>
<source><![CDATA[Respir Med]]></source>
<year>2015</year>
<volume>109</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1244-9</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jing]]></surname>
<given-names><![CDATA[ZC]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[XQ]]></given-names>
</name>
<name>
<surname><![CDATA[Badesch]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary function testing in patients with pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Respir Med]]></source>
<year>2009</year>
<volume>103</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1136-42</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escribano]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[de Atauri]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Frade]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[IM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[[Lung function testing in patients with pulmonary arterial hypertension]]]></article-title>
<source><![CDATA[Arch Bronconeumol]]></source>
<year>2005</year>
<volume>41</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>380-4</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farha]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Laskowski]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[George]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[WHW]]></given-names>
</name>
<name>
<surname><![CDATA[Dweik]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Loss of alveolar membrane diffusing capacity and pulmonary capillary blood volume in pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Respir Res]]></source>
<year>2013</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>6</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Badagliacca]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Papa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Valli]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pezzuto]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Poscia]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Manzi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Echocardiography combined with cardiopulmonary exercise testing for the prediction of outcome in idiopathic pulmonary arterial hypertension]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2016</year>
<volume>150</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1313-22</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
