Original Research

Health characteristics of patients with asthma, COPD and asthma–COPD overlap in the NHANES database

Llanos JP, Ortega H, Germain G, Duh MS, Lafeuille MH, Tiggelaar S, Bell CF, Hahn B

International Journal of Chronic Obstructive Pulmonary Disease 2018, 13:2859-2868

Published Date: 12 September 2018