Hasanah, Siti Nur Shalehah, Anny Thuraidah, and Haitami Haitami. 2023. “Analysis of Urea Levels of Banjarmasin Ministry of Health Polytechnic Students Survivors of Covid 19”. Tropical Health and Medical Research 5 (2). https://doi.org/10.35916/thmr.v5i1.97.