Original Research

Clinical Characteristics of COPD Patients According to COPD Assessment Test (CAT) Score Level: Cross-Sectional Study

Gil HI, Zo S, Jones PW, Kim BG, Kang N, Choi Y, Cho HK, Kang D, Cho J, Park HY, Shin SH

International Journal of Chronic Obstructive Pulmonary Disease 2021, 16:1509-1517

Published Date: 1 June 2021