“Predictor of Death in Elderly Patients With Covid-19 : A Retrospective Cohort Study at RSUP Prof Dr. I.G.N.G Ngoerah”. Jurnal Penyakit Dalam Udayana 8, no. 1 (June 30, 2024): 24–31. Accessed February 3, 2026. https://www.jpdunud.org/index.php/JPD/article/view/224.