CENDÁN ALFONZO, Juan E; OTERO, José P. Upper external digestive fistulas: the treatment by continuous aspiration. Cirugía del Uruguay, [S. l.], v. 11, n. 10-11, p. 401–430, 2020. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/462. Acesso em: 23 may. 2026.