Duodenal diaphragm.
D000367:Age Factors; D001646:Bile / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D004380:Duodenal Obstruction / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014839:Vomiting / Q000209:etiology