1. American Rheumatism Association (1973) A controlled trial of gold salt therapy in rheumatoid arthritis. Arthr. Rheum., 16, 353–8.
2. Amor, B. and Mery, C. (1980) Chlorambucil in rheumatoid arthritis, in Anti Rheumatic Drugs II, Clinics in Rheumatic Diseases, vol. 6, (ed. E. C. Huskisson). Saunders, London, p. 3.
3. Amos, R. S., Constable, T. J., Crockson, R. A., Crockson, A. P. and McConkey, B. (1977) Rheumatoid arthritis; relations of serum C-reactive protein and erythrocyte sedimentation rates to radiographic changes. Br. J. Rheumatol., 1, 195–7.
4. Argov, Z. and Mastaglia, F. L. (1979) Disorders of neuromuscular transmission caused by drugs. N. Engl. J. Med., 301, 409–13.
5. Baltus, J. A. M., Boersma, J. W., Hartman, A. P. and Van den Broucke, J. P. (1983) The occurrence of malignancies in patients with rheumatoid arthritis treated with cyclophosphamide: a controlled retrospective follow up. Ann. Rheum. Dis., 42, 368.