Praderi RC, Estefan A. Calibration of the liverwort confluence in the left leads by neoplastic biliary obstructions. Cir. Urug. [Internet]. 1975 Feb. 23 [cited 2026 Mar. 29];45(2):157-9. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2617