Impact of Intermittent Hypoxia-Hyperoxia Therapy in COPD Patients - Pilot Study. - Uzun, Andreea-Bianca; Nedelcu, Andreea-Dalila; Stanciu, Liliana-Elena; Iliescu, Mădălina-Gabriela; Tofolean, Doina Ecaterina (ARS Medica Tomitana, 2023)