La Regina, M., Marinaro, A., Scuotri, L., Corsini, F. and Orlandini, F. 2013. Non-invasive mechanical ventilation in internal medicine departments: a pilot study. Italian Journal of Medicine. 7, 3 (Sep. 2013), 172–178. DOI:https://doi.org/10.4081/itjm.2013.172.