methotrexate
METHODS: A literature review       of the biochemical mechanisms considered to be the basis for the therapeutic       efficacy of methotrexate and leflunomide in treating RA is presented.
METHODS: A literature review       of the biochemical mechanisms considered to be the basis for the therapeutic       efficacy of  @SUBJECT$  and leflunomide  @PREDICAT$  treating  @OBJECT$  is presented.