LIZASO, Isabel; CHAVARRÍA, Oscar; BERAZATEGUI, Ruver; GUTIÉRREZ, Carmen; VENTOS, Pedro. Undifferentiated sarcoma of the liver. Cirugía del Uruguay, [S. l.], v. 61, n. 3-4, p. 125–128, 1991. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3995. Acesso em: 23 may. 2026.