Natural course of early COPD.
Rhee CK, Kim K, Yoon HK, Kim JA, Kim SH, Lee SH, Park YB, Jung KS, Yoo KH, Hwang YI.
Rhee CK, et al. Among authors: kim sh, kim ja, kim k.
Int J Chron Obstruct Pulmon Dis. 2017 Feb 20;12:663-668. doi: 10.2147/COPD.S122989. eCollection 2017.
Int J Chron Obstruct Pulmon Dis. 2017.
PMID: 28255237
Free PMC article.