1. Comparison of azathioprine, cyclophosphamide and gold in treatment of rheumatoid arthritis;Curry;Br Med J,1974
2. Long-term effects of azathioprine in rheumatoid arthritis;Urowitz;Ann Rheum Dis,1982
3. Methotrexate in rheumatoid arthritis (abstr);Hoffmeister;Arthritis Rheum,1972
4. Long term therapy of psioriatic and rheumatoid arthritis with oral methotrexate monitored by serial liver biopsies (abstr);Gowans;Arthritis Rheum,1979
5. Low-dose pulse therapy in rheumatoid arthritis;Wilkens;J Rheumatol,1980