Primary non-specific ulcer of the small intestine.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis / Q000209:etiology / Q000473:pathology; D007421:Intestine, Small / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000175:diagnosis / Q000209:etiology / Q000473:pathology