Sandoval Ramos M, Parrilla Andrade E, Padilla Pimentel L. Multicomponent exercise in the older adult and its effect on frailty syndrome. Alerta (San Salvador) [Internet]. 2023 Jul. 19 [cited 2025 Apr. 1];6(2):142-8. Available from: https://camjol.info/index.php/alerta/article/view/15613