Factors influencing in-hospital mortality for salvage percutaneous transjugular intrahepatic portosystemic shunting in cirrhotic patients with recalcitrant variceal bleeding after failed endoscopic intervention - J E J Krige; E G Jonas; M Setshedi; S J Beningfield; U K Lotze; M M Bernon; S Burmeister; J C Kloppers (South African Medical Journal)