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. 1978 Feb;37(1):12–17. doi: 10.1136/ard.37.1.12

Antigammaglobulin (rheumatoid factor) activity of human IgG subclasses.

F Shakib, D R Stanworth
PMCID: PMC1000181  PMID: 629598

Abstract

A sensitive radioimmunoassay has been applied to the study of rheumatoid factor activity of IgM and IgG subclasses in serum and synovial fluid of patients with rheumatoid arthritis. Although rheumatoid factor activity was found in all four subclasses, its distribution was not the same as that of the total subclasses in normal sera. Results are discussed in relation to the possible clinical value of measuring IgG rheumatoid factor in sera and synovial fluids of patients with rheumatoid arthritis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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