Rheumatology 2003; 42: 696-697
© 2003 British Society for Rheumatology
Letters to the Editor |
Prevalence of rheumatoid arthritis
University of Bologna, Department of Internal Medicine, Cardioangiology and Hepatology, Bologna, Italy
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SIR, Symmons et al. [1] have shown that the prevalence of rheumatoid arthritis (RA) in the UK has declined since the 1950s and they have attributed the event to a protective effect of the contraceptive