Lari, Federico, Fabrizio Giostra, and Stefania Guerrini. “Effectiveness and Applicability of Non-Invasive Ventilation (NIV) in the Emergency Department in Acute Respiratory Failure Due to Sars-CoV-2 Pneumonia”. Emergency Care Journal 16, no. 2 (July 14, 2020). Accessed October 28, 2020. https://www.pagepressjournals.org/index.php/ecj/article/view/9127.