title: Reflections on the treatment of Crohn's disease, the NCCDS report, and on randomized clinical trials.
mesh_terms: D001379:Azathioprine / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D003424:Crohn Disease / Q000188:drug therapy*; D004311:Double-Blind Method; D006801:Humans; D011241:Prednisone / Q000627:therapeutic use; D011897:Random Allocation; D012460:Sulfasalazine / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D012460:Sulfasalazine; D001379:Azathioprine; D011241:Prednisone