ARMAND UGON, César; PARMA, Dante; DELGADO, Bolívar. Perisigmoideal abcesses of diverticular origin. Cirugía del Uruguay, [S. l.], v. 51, n. 6, p. 531–535, 1981. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3385. Acesso em: 10 jun. 2026.