Mujaković, A. . (2023) “High Flow Nasal Cannula Versus Noninvasive Positive Pressure Ventilation as Initial Respiratory Support in Patients with Chronic Obstructive Pulmonary Disease and Covid-19: Exploratory Analysis in Two Intensive Care Units”, Acta Medica Academica, 51(3), pp. 199–208. doi: 10.5644/ama2006-124.389.