Rahim, M. A., T. Samad, I. Jahan, M. M. Alam, T. S. U. Haque, T. A. Chowdhury, M. A. Ananna, S. K. Saha, W. M. M. U. Haque, and S. Iqbal. “COVID-19 Among Patients With Pre-Existing Renal Impairment: Experience in a Tertiary Care Hospital of Bangladesh”. BIRDEM Medical Journal, vol. 10, Dec. 2020, pp. 23-28, doi:10.3329/birdem.v10i0.50976.