Y. F. Setiawan, “FRAILTY AND MORTALITY ASSOCIATION IN PATIENTS WITH COVID-19: A SYSTEMATIC REVIEW”, JARMHS, vol. 8, no. 11, pp. 21–27, Nov. 2022, Accessed: Jan. 18, 2025. [Online]. Available: https://jarmhs.com/MHS/index.php/mhs/article/view/76