Mazumder, M. M. I., H. T. Hossain, T. Chowdhury, I. B. Reza, Q. A. Arafat, and H. A. M. N. Ahasan. “Infection and Outcome of COVID-19 Affected Patients During 1st and 2nd Waves in Bangladesh: A Hospital Based Comparative Study”. International Journal of Advances in Medicine, vol. 10, no. 8, July 2023, pp. 590-5, doi:10.18203/2349-3933.ijam20232204.