CRUZ, Norma I.; SANTIAGO, Elvis; ALERS, Rosa I. The COVID-19 Pandemic and the Surgical Workload of the UPR-affiliated Hospitals. Puerto Rico Health Sciences Journal, [S. l.], v. 42, n. 3, p. 249–253, 2023. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2995. Acesso em: 26 oct. 2025.