"Universal" Crohn's disease.
D002648:Child; D003424:Crohn Disease / Q000188:drug therapy / Q000473:pathology; D004066:Digestive System Diseases / Q000188:drug therapy / Q000473:pathology; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000627:therapeutic use
D008795:Metronidazole