Mithun, S., S. A. H. Md Abdullah, and S. N. Irfan. “Assessment of Biochemical Changes Among Covid-19 Cases in a Tertiary Hospital of Bangladesh During Early Pandemic”. Journal of Preventive and Social Medicine, vol. 40, no. 1, Jan. 2022, pp. 34-42, doi:10.3329/jopsom.v40i1.56689.