Comparative evaluation of fiberscopy, portovenography and esophagography in portal hypertension.
D004384:Duodenoscopy; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging*; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis*; D011169:Portal Vein / Q000000981:diagnostic imaging*; D011859:Radiography