Karamouzos, Vasileios, Fotini Fligou, Charalambos Gogos, and Dimitrios Velissaris. “High Flow Nasal Cannula Oxygen Therapy in Adults With COVID-19 Respiratory Failure. A Case Report”. Monaldi Archives for Chest Disease 90, no. 2 (June 9, 2020). Accessed June 21, 2021. https://monaldi-archives.org/index.php/macd/article/view/1323.