PRADERI, Raúl C.; ESTEFAN, Alberto. Calibration of the liverwort confluence in the left leads by neoplastic biliary obstructions. Cirugía del Uruguay, [S. l.], v. 45, n. 2, p. 157–159, 1975. Disponível em: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2617. Acesso em: 14 jun. 2026.