Clinical investigation of the portacaval shunt. 3. The diagnosis of esophageal varices.
D001794:Blood Pressure; D004932:Esophageal and Gastric Varices / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004945:Esophagoscopy; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications; D011168:Portal System; D011172:Portography