Original Research

Risk Factors for Acute Exacerbation of Chronic Obstructive Pulmonary Disease in Industrial Regions of China: A Multicenter Cross-Sectional Study

Dong H, Hao Y, Li D, Su Z, Li W, Shi B, Gao P

International Journal of Chronic Obstructive Pulmonary Disease 2020, 15:2249-2256

Published Date: 24 September 2020