Results of tests for rheumatoid factor on CAP survey specimens
Rippey, J.H.; Biesecker, J.L.
American Journal of Clinical Pathology 80(4 Suppl): 599-602
1983
ISSN/ISBN: 0002-9173 PMID: 6624729 Document Number: 216140
Performances of participants for the detection and measurement of rheumatoid factor on 18 consecutive CAP survey specimens are tabulated. All reagents used by participants performed well qualitatively on the positive and negative specimens. Quantitation of positive specimens by titer and International Units demonstrated prominent interlaboratory variance.
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