Riahi , Taghi, Sima Shokri, Seyed Hamid Reza Faiz, Karim Hemati, Seyed Hamzeh Mousavie, Amir Baghestani, Ali Khazaeian, and Babak Hassanlouei. “Clinical and Laboratory Predictors of Mortality in Hospitalized COVID-19 Patients”. Iranian Red Crescent Medical Journal 23, no. 5 (May 18, 2021). Accessed June 20, 2021. https://ircmj.com/index.php/IRCMJ/article/view/531.