[Serological profile in so-called seronegative rheumatoid arthritis].


89 cases of sero-negative rheumatoid arthritis (RA) were compared to 127 cases of sero-positive RA. Anti-perinuclear and anti-keratin antibodies were detected less frequently in the first group (51 vs 67% and 28 vs 33%, respectively), while the inverse was found for anti-nuclear antibodies (28 vs 24%). "Light" rheumatoid factors (RF)--IgG, IgM, IgE, IgA and… (More)


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