Delgado, Bolivar, Roberto Puig, Washington Liard, Tabaré Cardoso, and Ricardo Voelker. “Inframesocolic Approach to the Duodenal Papilla”. Cirugía del Uruguay 45, no. 2 (February 22, 1975): 149–154. Accessed June 14, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2586.