Original Research

Clinical Features and Outcomes of Acute Exacerbation in Chronic Obstructive Pulmonary Disease Patients with Pulmonary Heart Disease: A Multicenter Observational Study

You L, Niu H, Huang K, Dong F, Yang T, Wang C

International Journal of Chronic Obstructive Pulmonary Disease 2021, 16:2901-2910

Published Date: 22 October 2021