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COPD: Journal of Chronic Obstructive Pulmonary Disease Volume 9, 2012 - Issue 5
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ORIGINAL RESEARCH

Udenafil Improves Exercise Capacity in Patients with Chronic Obstructive Pulmonary Disease: A Prospective Study

Jong Sun ParkDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, Korea
,
Hyo-Jeong LimDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, Korea
,
Young-Jae ChoDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, Korea
,
Jae Ho LeeDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, Korea
,
Ho Il YoonDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, KoreaCorrespondence[email protected] [email protected]
&
Choon-Taek LeeDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Gyeonggi-do, Korea
Pages 499-504 | Received 07 Apr 2012, Accepted 08 May 2012, Published online: 04 Sep 2012

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