Yanti, Budi, Mauliza Mauliza, and Novita Andayani. “Geriatric Patient With Osteoarthritis and Obesity Survived from Critically Ill of COVID-19: A Case Report”. Jurnal Respirasi 7, no. 2 (May 31, 2021): 70–74. Accessed February 3, 2023. https://e-journal.unair.ac.id/JR/article/view/26205.