DELGADO, Bolívar; PERRIER, José P. Operatory Cholangiography.: Its diagnosis value in choledocholithiasis. Cirugía del Uruguay, [S. l.], v. 48, n. 4, p. 275–277, 1978. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2941. Acesso em: 28 mar. 2026.