Pretika Prameswari, Yudhi Hajianto Nugroho, and Mutia Juliana. “Analysis Study of Geriatric Syndrome and Frailty Prevalence in Older Adults: A Systematic Review and Meta-Analysis”. The International Journal of Medical Science and Health Research 12, no. 1 (April 30, 2025): 15–42. Accessed October 21, 2026. https://internationalmedicaljournal.org/index.php/ijmhsr/article/view/230.