Praderi, Raúl C, et al. “Biliary, Pancreatic or Duodenal Cancer in Carriers of Biliodigestive Anastomoses Previous Due to Non-Neoplastic Pathology”. Cirugía Del Uruguay, vol. 62, no. 4-5-6, Apr. 1992, pp. 153-8, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/4062.