References
- Allander E. A population survey of rheumatoid arth-ritis. Acta Rheum Scand 1970; Suppl 15.
- Arnett FC, Edworthy SM, Bloch DA, et al. The Ameri-can Rheumatism Association revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988; 31: 315–24.
- Chan KWA, Felson DT, Yood RA, Walker AM. In-cidence of rheumatoid arthritis in central Massachu-setts. Arthritis Rheum 1993; 36: 1691–6.
- Classification and Assessment of Rheumatic diseases: Parts I and II. In: Silman AJ, Symmons DPM, eds. Bailliere's Clinical Rheumatology. 1995; 9,(2,3).
- Corbett M, Dalton S, Young A, Silman AJ, Shipley M. Factors predicting death, survival and functional out-come in a prospective study of early rheumatoid disease over fifteen years. Br J Rheum 1993; 32: 717–23.
- Del Puente A, Knowler WC, Pettitt DJ, Bennett PH. High incidence and prevalence of rheumatoid arthritis in Pima Indians. Am J Epidemiol 1989; 129: 1170–8.
- Eberhard K. Prospective 2-year study of early rheu-matoid arthritis in southern Sweden. Akademisk av-handling, Lund 1989.
- Epidemiology of Rheumatic Disease. In: Rheum Dis Clin North Am 1990; 16,(3).
- Dougados M, van der Linden S, Juhlin R, et al. The Eu-ropean Spondylarthropathy Study Group Preliminary criteria for the Classification of Spondylarthropathy. Arthritis Rheum 1991;34: 1218–1227.
- Gladman DD, Stafford-Brady F, Chang CH, Lewan-dowski K, Russell ML. Longitudinal study of clinical and radiological progression in psoriatic arthritis. J Rheumatol 1990; 17: 809–12.
- Gäre BA, Fasth A. Epidemiology of Juvenile Chronic Arthritis in southwestern Sweden: A 5 year prospective population study. Pediatrics 1992; 90: 950–8.
- Goronzy JJ, Weyand CM. Vasculitis in rheumatoid ar-thritis. Curr Op Rheum 1994; 290–3.
- Hazes JMW, Silman AJ. Review of UK data on the rheumatic diseases-2: Rheumatoid arthritis. Br J Rheum 1990; 29: 310–2.
- Jones SM,Armas JB, Cohen MG, Lovell CR, Evison G, et al. Psoriatic arthritis: Outcome of disease subsets and relationship of joint disease to nail and skin disease. Br J Rheum 1994; 33: 834–9.
- Klippel JH, Dieppe P. In: Rheumatology; Section 3. Mosby Year Book Europe Limited, London: 1994: 8, 10–30.
- Lau E, Symmons D, Bankhead C, MacGregor A, Don-nan S, et al. Low Prevalence of Rheumatoid Arthritis in the Urbanized Chinese of Hong Kong. J Rheumatol 1993;20: 1133–1137.
- Moll JMH, Wright V. Psoriatic arthritis. Semin Arthritis Rheum 1973; 3: 55–78.
- Pincus T, Brooks RH, Callahan LF. Prediction of long-term mortality in patients with rheumatoid arthri-tis according to simple questionnaire and joint count measures. Ann Int Med 1994; 120: 26–34.
- Pincus T. Clinical observations often provide more ac-curate information concerning the long-term natural history and results of treatment for rheumatoid arthritis than structured interviews. Rheumatology in Europe 1995; Supp12: 179–84.
- Reilly PA, Cosh JA, Maddison PJ, Rasker JJ, Silman AJ, et al. Mortality and survival in rheumatoid arthritis; a 25 year prospective study. Ann Rheum Dis 1990; 49: 363–9.
- Salvarani C, Lo Scocco G, Macchioni P, Cremonesi T, Rossi F, et al. Prevalence of Psoriatic Arthritis in Italian Psoriatic Patients. J Rheumatol 1995; 22: 1499–1503.
- Symmons DPM, Barret EM, Bankhead CR, Scott DGI, Silman AJ. The incidence of rheumatoid arthritis in the United Kingdom: Results from the Norfolk Arthritis Register. Br J Rheum 1994; 33: 735–9.
- Wolfe F, Mitchell DM, Sibley JT, Fries JF, Bloch DA, et al. The mortality of rheumatoid arthritis. Arthritis Rheum 1994; 37: 481–94.
- Wright V. Is there a difference in outcome of joint sur-gery in psoriatic arthritis? In: Rheumatology; Section 3. London: Mosby Year Book Europe Limited, 1994; 34. 3–4.