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The objective of this study was to determine the diagnostic value for rheumatoid arthritis (RA) of antibodies to cyclic citrullinated peptides (anti-CCP) in patients with early arthritis and vasculitis. Sixty-four adult patients with early arthritis and disease duration of less than 4 months were clinically diagnosed by an experienced rheumatologist as having RA (n=27), spondyloarthropathy (n=11),...
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