Original Research

Emphysema extent on computed tomography is a highly specific index in diagnosing persistent airflow limitation: a real-world study in China

Cheng T, Li Y, Pang S, Wan HY, Shi GC, Cheng QJ, Li QY, Pan ZL, Huang SG

International Journal of Chronic Obstructive Pulmonary Disease 2019, 14:13-26

Published Date: 17 December 2018