Original Research

Chronic Cough and Phlegm in Subjects Undergoing Comprehensive Health Examination in Japan – Survey of Chronic Obstructive Pulmonary Disease Patients Epidemiology in Japan (SCOPE-J)

Omori H, Higashi N, Nawa T, Fukui T, Kaise T, Suzuki T

International Journal of Chronic Obstructive Pulmonary Disease 2020, 15:765-773

Published Date: 15 April 2020