Nazar, M. S., S. khan, N. Qamar, S. Usman, and H. Rafiq. “Association of Renal Biomarkers in COVID-19 Patients: A Retrospective Study”. International Journal of Natural Medicine and Health Sciences, vol. 2, no. 1, Dec. 2022, pp. 21-24, doi:10.52461/ijnms.v2i1.1136.