RIGAU-PÉREZ, José G. The First Demonstration of X-rays in Puerto Rico: June 1897. Puerto Rico Health Sciences Journal, [S. l.], v. 43, n. 4, p. 167–176, 2024. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3373. Acesso em: 18 dec. 2025.