Relief of biliary obstruction due to portal vein cavernoma using a transjugular intrahepatic portosystemic shunt (TIPS) without the need for long-term stenting - Senzolo, M; Cholongitas, E; Tibballs, J; Patch, D; Triantos, C K; Samonakis, D; Bettany, G E A; Burroughs, A K (Endoscopy, 2006)