Choi, Juwhan; Oh, Jee Youn; Lee, Young Seok; Min, Kyung Hoon; Hur, Gyu Young; Lee, Sung Yong; Kang, Kyung Ho; Shim, Jae Jeong
ArticleIssue Date2018CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.13, pp 1053 - 1059PublisherDOVE MEDICAL PRESS LTD