Veirano, Gustavo, Jorge Bermúdez, and Raúl Morelli. 1992. “Intraoperative Cholangiography in Laparoscopic Biliary Surgery”. Cirugía Del Uruguay 62 (4-5-6):128-29. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/4054.