Specificity of hidden 19s igm rheumatoid
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Terry L. Moore; Robert W. Dorner; Terry D. Weiss; Andrew R. Baldassare; Jack Zuc
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Article
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1981
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John Wiley and Sons
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English
⚖ 740 KB
## Abstract Hidden 19S IgM rheumatoid factors (RF)—i.e., RF detected in the IgM‐containing fraction after separation of the serum at an acid pH—have been found in 68% of patients with seronegative juvenile rheumatoid arthritis (JRA). Inhibition studies utilizing a hemolytic assay for RF were perfor