Transjugular intrahepatic portosystemic shunt (TIPS) in the treatment of venous symptomatic chronic portal thrombosis in non-cirrhotic patients - Bilbao, J I; Elorz, M; Vivas, I; Martínez-Cuesta, A; Bastarrika, G; Benito, A (Cardiovasc Intervent Radiol, 2004)