5Schearman DJ,Finlayson ND,Carter DC,et al.Disease of the gastrointestinal tract and liver.2nd Edition.Edinburgh:Churchill Livingston Inc,1989,954-957.
6Okuda K,Kono K, Ohnishi K, et al. Olizical study of 86 cases of idiopathic portal hypertension and comparision with cirhosis with splenomegaly.Gastroenterology, 1984,86:600.
7vakili C, Farahvash MJ,Byman TE. "Endemic"indiopathic portal hypertension:report on 32 patients with non-cimbotic portal fibrosis. World J Surg, 1992,16:118.
8Smart HL,Triger DR.Clinical festures,pathophyaiology and relevance of portal hypertensive gastropathy.Endoecopy, 1991,23:224.
9Barbe T, Losay J, Grimon G, et al. pulmonary arteriovenous shunting in children with liver disease. J Pedistr,1995,126:571.
10Macpherson AI. Portal hypertension in children. An experiences of 33 cases. Scott Med, 1984,29:6.