Heo, Jeong-Seok; Park, Jong-Sook; Lee, Eun-Ju; Kim, Tae-Hoon; Jang, An-Soo; Park, Sung-Woo; Kim, Ji-Na; Kim, Yang Gi; Uh, Soo-Taek; Choi, Jae-Seong, et al.
ArticleIssue Date2014CitationCOPD: Journal of Chronic Obstructive Pulmonary Disease, v.11, no.2, pp 152 - 162PublisherTaylor & Francis