Hervás, A., and E. García de Jalón. “Cognitive State As a Conditioner of Frailty in the Elderly. Perspective from a Health Centre”. Anales del Sistema Sanitario de Navarra 28, no. 1 (November 13, 2008): 35–47. Accessed May 17, 2024. https://recyt.fecyt.es/index.php/ASSN/article/view/4617.