1.
Nguyen-Nhu V, Nguyen L-P, Duong-Quy S, Le An P, Bui-Minh T. Classification of COPD as ABCD according to GOLD 2011 and 2017 versions in COPD patients at University Medical Center in Ho Chi Minh City, Vietnam. Monaldi Arch Chest Dis [Internet]. 2023 Jul. 28 [cited 2024 May 15];. Available from: https://www.monaldi-archives.org/macd/article/view/2619