citation journal title = Diseases of the Colon amp Rectum citation issn = 00123706 citation volume = 42 citation issue = 12 citation doi = 101007/BF02236211 citation firstpage = 1581 citation lastpage = 1585 citation publication date = 1999/12/01 citation title = Transjugular intrahepatic portosystemic shunt for treatment of bleeding ectopic varices with portal hypertension