Article Text
Letter
Clinical value of second- and third-generation assays of anti-cyclic citrullinated peptide antibodies in rheumatoid arthritis
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Footnotes
Competing interests: None.
Funding: This work was supported in part by the project research grant No 18-5 of Toho University School of Medicine to KK, by a research grant from the Japanese Ministry of Health, Labour and Welfare to SK and by research grants from SRL, Inc, Tokyo, Japan to SK and SS. The funding sponsors took no part in this study.
Ethics approval: Research ethics committee approval was obtained.