Arthritis Research & Therapy

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Correction: The PTPN22 1858C/T polymorphism is associated with anti-cyclic citrullinated peptide antibody-positive early rheumatoid arthritis in northern Sweden

Heidi Kokkonen1, Martin Johansson1, Lena Innala1, Erik Jidell2 and Solbritt Rantapää-Dahlqvist1*

Author Affiliations

1 Department of Rheumatology, University Hospital, SE-901 85 Umeå, Sweden

2 Department of Transfusion Medicine, University Hospital, SE-901 85 Umeå, Sweden

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Arthritis Research & Therapy 2007, 9:403 doi:10.1186/ar2312

Published: 25 October 2007

First paragraph (this article has no abstract)

After publication of our recent article [1], we noticed an error in Table 6 'Relative risk for developing rheumatoid arthritis in patients, stratified for anti-cyclic citrullinated peptide (anti-CCP) antibodies'.