A contribution to the study on the way of action of digitalis on the myocardial flber of the frog’s heart. Revista Española de Fisiología, [S. l.], v. 15, n. 1, p. 23–32, 1959. Disponível em: https://revistas.unav.edu/index.php/ref/article/view/51504. Acesso em: 10 jul. 2025.