Adhani, R., D. Kania, J. H. Purwaningayu, R. H. D. Setyawardhana, L. Hayatie, T. Triawanti, H. Husaini, and S. Arifin. “Risk Factors of Hipertension and Diabetes Mellitus on COVID-19 Mortality”. Open Access Macedonian Journal of Medical Sciences, vol. 10, no. E, Jan. 2022, pp. 145-50, doi:10.3889/oamjms.2022.6951.