Original Research

Different Smoking Statuses on Survival and Emphysema in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Ding Q, Li J, Xu S, Gao Y, Guo Y, Xie B, Li H, Wei X

International Journal of Chronic Obstructive Pulmonary Disease 2022, 17:505-515

Published Date: 5 March 2022