[Differences between non-specific primary ulcer of the intestine and Crohn's disease].
D003424:Crohn Disease / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis / Q000473:pathology*; D007420:Intestine, Large / Q000473:pathology; D007421:Intestine, Small / Q000473:pathology; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000175:diagnosis / Q000473:pathology*