5Eleftheriadis E,Kotzampass K,Karkavelas G,et al.portal hypertensive colopathy-endoscopic, hemodynamic and morphometric study. Gut . 1993
6FA-YALLH LEE,AlhillosA,Colombato LA,et al.The role of nitric oxide in the vascular hyperesponsiveness to methoxamine in portal hypertension rats. Hepatology . 1992
7Ganglys S,Sarin SK,Bhatia V,et al.The prevalence and spectrum of colonic lesions in patients with cirrhotic and noncirrhotic portal hypertension. Hepatology . 1995
8Sieber CC,Croszmann RJ.Nitric oxide medicates hyporealtivity to vasopressors in mesenteric vessels of portal hypertensive rats. Gastroenterology . 1992
9Katz JA,Rubin RA,Cope C,et al.Recurrent bleeding from anorectal varices: Successful treatment with a transjugular intrahepatic portosystemic shunt. The American journal of Gastroenterology . 1993
10Rabinovitz M,schade RR,Dindzam SVJ,et al.Colonic disease in cirrhosis, an endoscopic evaluation in 412 patients. Gastroenterology . 1990