Koo, Hyeon-Kyoung; Park, Sung-Woo; Park, Jeong-Woong; Choi, Hye Sook; Kim, Tae-Hyung; Yoon, Hyoung Kyu; Yoo, Kwang Ha; Jung, Ki-Suck; Kim, Deog Kyeom
ArticleIssue Date2018CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.13, pp.1793 - 1801PublisherDOVE MEDICAL PRESS LTD