Piñeyro, Alberto, José L. Rodríguez, Osvaldo Rocha, and Miguel Estevan. “Spontaneous External Biliary Fistula”. Cirugía del Uruguay 52, no. 4 (April 9, 1982): 311–312. Accessed March 28, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3567.