1.
Upadhya P, Vadala R, A A. Hospital treatment of severe acute exacerbation of chronic obstructive pulmonary disease in COVID-19 situation: back to basics. Monaldi Arch Chest Dis [Internet]. 2020 Sep. 22 [cited 2024 Nov. 22];90(4). Available from: https://www.monaldi-archives.org/macd/article/view/1424