Kim, Joo Kyung; Lee, Soo Haeng; Lee, Bho Hyeon; Lee, Chang Youl; Kim, Do Jin; Min, Kyung Hoon; Kim, Sung Kyoung; Yoo, Kwang Ha; Jung, Ki-Suck; Hwang, Yong Il
ArticleIssue Date2016CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.11, pp.1327 - 1333PublisherDOVE MEDICAL PRESS LTD