ROJAS HUERTA, A. V. Trajectories of frailty and related factors of elderly people in Mexico. Población y Salud en Mesoamérica, [S. l.], v. 19, n. 2, 2022. DOI: 10.15517/psm.v19i2.46929. Disponível em: https://revistas.ucr.ac.cr/index.php/psm/article/view/46929. Acesso em: 26 apr. 2024.