[1]
R. Sacco, “A new frailty index as a risk predictor of morbidity and mortality: its application in a Surgery Unit”, Eur J Oncol Env Hea, vol. 23, no. 1, pp. 41–46, Jul. 2018, Accessed: Feb. 23, 2025. [Online]. Available: https://mattioli1885journals.com/index.php/EJOEH/article/view/6938