title: Congenital duodenal stenosis producing megaduodenum in a nineteen year old mongoloid.
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000150:complications*; D004380:Duodenal Obstruction / Q000151:congenital* / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008297:Male; D011859:Radiography