Management of Crohn's disease: time for audit?
D001379:Azathioprine / Q000627:therapeutic use; D003424:Crohn Disease / Q000628:therapy*; D006801:Humans; D013256:Steroids / Q000627:therapeutic use; D012460:Sulfasalazine / Q000627:therapeutic use
D013256:Steroids; D012460:Sulfasalazine; D001379:Azathioprine