Impacts of coexisting bronchial asthma on severe exacerbations in mild-to-moderate COPD: results from a national database

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]