Duodenal diaphragm in youth.
D000293:Adolescent; D002386:Cataract / Q000151:congenital; D002763:Cholecystectomy; D004314:Down Syndrome / Q000150:complications; D004386:Duodenum / Q000002:abnormalities*; D005260:Female; D006345:Heart Septal Defects, Ventricular; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D007813:Laparotomy; D008297:Male; D008551:Melena / Q000209:etiology; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging