Setiati, Siti, Kuntjoro Harimurti, Eka Dian Safitri, Respati W Ranakusuma, Siti Rizny F Saldi, Muhammad K Azwar, Jessica Marsigit, Yupitri Pitoyo, and Widyaningsih Widyaningsih. “Risk Factors and Laboratory Test Results Associated With Severe Illness and Mortality in COVID-19 Patients: A Systematic Review”. Acta Medica Indonesiana 52, no. 3 (October 4, 2020): 227. Accessed March 17, 2026. https://actamedindones.org/index.php/ijim/article/view/1560.