Nurhayati, S., I. S. Laksanawati, and R. T. Pinzon. “The Association of COVID-19 Patient Comorbidities With Mortality at Pertamina Jaya Hospital Central Jakarta”. Journal Of The Indonesian Medical Association, Vol. 74, no. 1, Apr. 2024, pp. 13 -20, doi:10.47830/jinma-vol.74.1-2024-1088.