CRUZ, Norma I.; SANTIAGO, Elvis; CABRERA, Valerie. Increasing Proportion of Elderly Patients that make use of the Surgery Services of the UPR-affiliated Hospitals. Puerto Rico Health Sciences Journal, [S. l.], v. 41, n. 4, p. 243–246, 2022. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2659. Acesso em: 31 oct. 2025.