Original Research

Prevalence and prognostic ability of the GOLD 2017 classification compared to the GOLD 2011 classification in a Norwegian COPD cohort

Le LAK, Johannessen A, Hardie JA, Johansen OE, Gulsvik A, Vikse BE, Bakke P

International Journal of Chronic Obstructive Pulmonary Disease 2019, 14:1639-1655

Published Date: 23 July 2019