Gaffney, K Azathioprine and cyclophosphamide in the treatment of rheumatoid arthritis. [electronic resource] - British journal of rheumatology Aug 1998 - 824-36 p. digital Publication Type: Journal Article; Review ISSN: 0263-7103 Standard No.: 10.1093/rheumatology/37.8.824 doi Subjects--Topical Terms: Antirheumatic Agents--pharmacologyArthritis, Rheumatoid--drug therapyAzathioprine--pharmacologyCyclophosphamide--pharmacologyHumans