Ruiz Martínez, Ana, 		Vargas Santillán, Ma., 		Rodríguez García, Claudia, 		Ruelas González, María Guadalupe, AND 		González Arratia López Fuentes, Norma Ivonne.
" Burden and quality of life in caregivers of chronically ill patients based on the level dependecy" <em>CIENCIA ergo-sum</em> [Online], Volume 29 Number 3 (25 November 2022)