RIGAU-PÉREZ, Jose G. The Work of US Public Health Service Officers in Puerto Rico, 1898-1919. Puerto Rico Health Sciences Journal, [S. l.], v. 36, n. 3, p. 130–139, 2017. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1564. Acesso em: 29 oct. 2025.