Letter: Larger doses of immunosuppressive drugs.
D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001379:Azathioprine / Q000008:administration & dosage* / Q000627:therapeutic use; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D003424:Crohn Disease / Q000188:drug therapy*; D004305:Dose-Response Relationship, Drug; D006801:Humans
D001379:Azathioprine