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

Lee, H, Rhee, C K, Lee, B-J, Choi, D-C, Kim, J-A, Kim, S H, Jeong, Y, Kim, T-H, Chon, G R, Jung, K-S, Lee, S H, Price, D, Yoo, K H & Park, H Y 2016, 'Impacts of coexisting bronchial asthma on severe exacerbations in mild-to-moderate COPD : results from a national database', International journal of chronic obstructive pulmonary disease , vol. 11, no. 1, pp. 775-783. https://doi.org/10.2147/COPD.S95954