DEL CASTILLO, José. SECTION II: Electrophysiology in the 19th Century. Puerto Rico Health Sciences Journal, [S. l.], v. 16, n. 4, 2019. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2169. Acesso em: 20 dec. 2025.