Htoo, T. S., S. M. M. Lwin, M. S. Aung, and T. T. Nwe. “Survival Analysis of Hospitalized COVID-19 Patients in New Yangon General Hospital by Prognostic Indicators”. International Journal of Research in Medical Sciences, vol. 11, no. 8, July 2023, pp. 2766-73, doi:10.18203/2320-6012.ijrms20232177.