Lee H, Rhee CK, Lee BJ, Choi DC, Kim JA, Kim SH, Jeong Y, Kim TH, Chon GR, Jung KS, Lee SH, Price D, Yoo KH, Park HY
Int J Chron Obstruct Pulmon Dis 2016; 11(1): 775–83. [PubMed] [Full Text]
Impacts of coexisting bronchial asthma on severe exacerbations in mild-to-moderate COPD: results from a national database
