Management of systemic sclerosis.

DT. Factors predicting response to treatment in rheumatoid arthritis: the importance of disease duration. Arthritis Rheum 2000;43:22–9. 15 Kroot EJ, van Leeuwen MA, van Rijswijk MH, Prevoo ML et al. No increased mortality in patients with rheumatoid arthritis: up to 10 years of follow up from disease onset. Ann Rheum Dis 2000;59:954–8. 16 Nell VP, Machold KP, Eberl G, Stamm TA et al. Benefit of very early referral and very early therapy with disease-modifying anti-rheumatic drugs in patients with early rheumatoid arthritis. Rheumatology (Oxford) 2004;43:906–14. 17 Arnett FC, Edworthy SM, Bloch DA, McShane DJ et al. The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988;31:315–24. 18 Scott DL. Prognostic factors in early rheumatoid arthritis. Review. Rheumatology (Oxford) 2000;39(Suppl 1): 24–9.