Cruz NI, Santiago E, Cabrera V. Increasing Proportion of Elderly Patients that make use of the Surgery Services of the UPR-affiliated Hospitals. PRHSJ [Internet]. 2022 Dec. 1 [cited 2025 Oct. 31];41(4):243-6. Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2659