Azizmohammad Looha, Mehdi, Seyed Amir Ahmad Safavi-Naini, Nazanin Taraghikhah, Mohammad Tayefeh Norooz, Nasser Malekpour Alamdari, Zahra Azizan, Nadia Zameni, and Mohamad Amin 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”. Student Research in Translational Medicine 5 (December 30, 2023). Accessed September 20, 2024. https://journals.sbmu.ac.ir/index.php/srtm/article/view/41994.