Dal Negro R, Micheletto C, Tognella S, Turati C, Bisato R, Guerriero M, et al. PIKO-1, an effective, handy device for the patient’s personal PEFR and FEV1 electronic long-term monitoring. Monaldi Arch Chest Dis [Internet]. 2016 Feb. 3 [cited 2024 Nov. 22];67(2). Available from: https://www.monaldi-archives.org/macd/article/view/494