Caramori G, Bettoncelli G, Tosatto R, Arpinelli F, VisonÃ G, Invernizzi G, et al. Underuse of spirometry by general practitioners for the diagnosis of COPD in Italy. Monaldi Arch Chest Dis [Internet]. 2005 Mar. 30 [cited 2024 Nov. 22];63(1). Available from: https://www.monaldi-archives.org/macd/article/view/651