Ginanjar, Eka, Aulia Rizka, Aulia Malik Ayub, Ikhwan Rinaldi, Rino Alvani Gani, Cosphiadi Irawan, and Noto Dwimartutie. “Diagnostic Performance of INA-FRAIL and Study of Osteoporotic Fractures (SOF) Index Compared to Cardiovascular Health Study (CHS) in Diagnosing Frailty Syndrome in Older Adults With Heart Failure”. Acta Medica Indonesiana 57, no. 2 (July 8, 2025): 200. Accessed April 20, 2026. https://www.actamedindones.org/index.php/ijim/article/view/2782.