Rastelli, Gianni, Mario Cavazza, and Gianfranco Cervellin. “Overcrowded ERs: Analysis of the Phenomenon and Managing Proposals”. Emergency Care Journal 6, no. 2 (June 10, 2010): 25-35. Accessed May 28, 2020. https://www.pagepressjournals.org/index.php/ecj/article/view/ecj.2010.2.25.