Mahmood Reza Masoudi, Reza Sadeghi, Mohammad Moqaddasi Amiri. Survival of COVID-19 among the Iranian population before and after the Delta variant spread: 10.55131/jphd/2023/210201. J Public Hlth Dev [Internet]. 2023 Apr. 4 [cited 2024 May 20];21(2):1-12. Available from: https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/262768