I Gusti Putu Suka Aryana, Dian Daniella, Raden Ayu Tuty Kuswardhani, and Siti Setiati. “Acute Sarcopenia in Elderly With COVID-19: An Overlooked Problem”. Bali Medical Journal, vol. 11, no. 3, Sept. 2022, pp. 1269-76, doi:10.15562/bmj.v11i3.3743.