The Efficacy of High-Flow Nasal Cannula (HFNC) Treatment in Patients with Chronic Type II Respiratory Failure Secondary to COPD. - Pagliaro, Raffaella; Simeon, Vittorio; Notizia, Luca; Arena, Stefania; Mariniello, Domenica Francesca; Stella, Giulia Maria; Bianco, Andrea; Perrotta, Fabio; Aronne, Luigi (Journal of Clinical Medicine, 2026)