Delbene, Roberto, Omar Rompani, Enrique Sojo, and Jorge Pradines. 1982. “Transpapilary Migration to the Duodenum of a Biliary Drainage Pipe (Kehr’s Drainage Pipe): A propósito De Un Caso”. Revista Cirugía Del Uruguay 52 (3):243-45. https://revista.scu.org.uy/index.php/cir_urug/article/view/3473.