Rhee, Chin Kook; Chang, Jung Hyun; Choi, Eu Gene; Kim, Hyun Kuk; Kwon, Yong-Soo; Kyung, Sun Young; Lee, Ji-Hyun; Park, Myung Jae; Yoo, Kwang Ha; Oh, Yeon Mok
ArticleIssue Date2015CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.10PublisherDOVE MEDICAL PRESS LTD