Praderi, R. C. and Estefan, A. (1975) “Calibration of the liverwort confluence in the left leads by neoplastic biliary obstructions”, Cirugía del Uruguay, 45(2), pp. 157–159. Available at: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2617 (Accessed: 14 June 2026).