Azizmohammad Looha, M. ., S. A. A. Safavi-Naini, N. Taraghikhah, M. Tayefeh Norooz, N. . Malekpour Alamdari, Z. Azizan, N. Zameni, and M. A. . Pourhoseingholi. “Trend of COVID-19 Hospital Cases Fatality Rate in Iran: A Multicenter Study of 5318 Hospitalized COVID-19 Patients from March 2020 to March 2021”. School of Medicine Students’ Journal, vol. 5, Dec. 2023, https://journals.sbmu.ac.ir/smsj/article/view/41994.