The investigation of portal hypertension.
D001201:Ascites / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis* / Q000000981:diagnostic imaging; D001523:Mental Disorders / Q000209:etiology; D011859:Radiography; D013163:Splenomegaly / Q000209:etiology