S. M. . Arafat, A. H. . Khan, E. . Sharmin, and M. A. . Alam, “Socio-demographic and clinical profile of the COVID-19 positive cases among the patients attending in the fever clinic of a tertiary care hospital of Bangladesh”, Bangabandhu Sheikh Mujib Medical University Journal, vol. 14, no. 4, pp. 114–120, Mar. 2022.