Study Design and Outcomes of Korean Obstructive Lung Disease (KOLD) Cohort Study

Tai Sun Park1, Jae Seung Lee1, Joon Beom Seo2

  • 1Department of Pulmonary and Critical Care Medicine and Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Abstract

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