Faisal, A. A. F. “Renal Dysfunction and Mineral Metabolism Disturbances in Elderly Patients With COVID-19: A Controlled Clinical Study”. Indonesian Journal on Health Science and Medicine, vol. 3, no. 1, Apr. 2026, p. 10.21070/ijhsm.v3i1.432, doi:10.21070/ijhsm.v3i1.432.