Oh, Yeon-Mok; Lee, Keu Sung; Hong, Yoonki; Hwang, Sung Chul; Kim, Jae Yeol; Kim, Deog Keom; Yoo, Kwang Ha; Lee, Ji-Hyun; Kim, Tae-Hyung; Lim, Seong Yong, et al.
ArticleIssue Date2018CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.13, pp.3589 - 3596PublisherDOVE MEDICAL PRESS LTD