Original Research

Risk factors predict frequent hospitalization in patients with acute exacerbation of COPD

Wei X, Ma ZQ, Yu N, Ren JT, Jin CW, Mi JY, Shi MJ, Tian LB, Gao YZ, Guo YM

International Journal of Chronic Obstructive Pulmonary Disease 2018, 13:121-129

Published Date: 27 December 2017