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Do high levels of IgA rheumatoid factor indicate a poor response to treatment with TNF inhibitors in patients with RA?

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Acknowledgements

The synopsis was written by Jasmine Farsarakis, Associate Editor, Nature Clinical Practice.

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van Laar, J. Do high levels of IgA rheumatoid factor indicate a poor response to treatment with TNF inhibitors in patients with RA?. Nat Rev Rheumatol 3, 544–545 (2007). https://doi.org/10.1038/ncprheum0596

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