BERMÚDEZ, Jorge; VEIRANO, Gustavo. Parks’ modified technique for treatment of upper and medium transphincteral fistula. Cirugía del Uruguay, [S. l.], v. 58, n. 1, p. 34–37, 1988. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3825. Acesso em: 29 mar. 2026.