FEV1:FVC Thresholds for Defining Chronic Obstructive Pulmonary Disease

Han, XX; Zhang, YL

Zhang, YL (reprint author), Merck & Co Inc, 2000 Galloping Hill Rd, Kenilworth, NJ 07033 USA.

JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 2019; 322 (16): 1611