Kim, Hakyoung; Yoo, Hongseok; Pyo, Hongryull; Ahn, Yong Chan; Noh, Jae Myoung; Ju, Sang Gyu; Lee, Woojin; Park, Byoungsuk; Kim, Jin Man; Kang, Noeul, et al.
ArticleIssue Date2019CitationINTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v.14, pp 2273 - 2281PublisherDOVE MEDICAL PRESS LTD