Praderi, Raúl, Alberto Estefan, Milton Zito, Carlos Sarroca, Roberto Puig, Ernesto Santero, Marta Chiossoni, and Eduardo de Stefanis. 1973. “Primary Sclerosing Cholangitis. Intubation Transhepatic Bile Duct”. Cirugía Del Uruguay 43 (6):511-18. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2507.