Costs of sulfasalazine and metronidazole.
D003424:Crohn Disease / Q000188:drug therapy*; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use*; D011306:Prescription Fees; D012460:Sulfasalazine / Q000627:therapeutic use*
D008795:Metronidazole; D012460:Sulfasalazine