“Categorical Frailty Phenotype and Continuous Frailty Index: A Conceptual Overview of Frailty and Its Components among Older Persons in India”, ebph, vol. 16, no. 4, Jan. 2022, Accessed: Jul. 27, 2026. Available: https://test-ojs-unimi-it.archicoop.it/index.php/ebph/article/view/17122