Medical versus operative treatment.
D002648:Child; D003093:Colitis, Ulcerative; D003424:Crohn Disease / Q000188:drug therapy* / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D012189:Retrospective Studies; D012460:Sulfasalazine / Q000627:therapeutic use
D012460:Sulfasalazine