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. 2014 Dec 30;75(2):356–361. doi: 10.1136/annrheumdis-2014-205698

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Relative changes in antibody levels in relation to treatment response after 3 months of methotrexate therapy (A) and after 9 months of add-on therapy (B) in early rheumatoid arthritis. CCP, cyclic citrullinated peptide; CEP-1, citrullinated α-enolase peptide-1; cVim, citrullinated vimentin peptide; cFib, citrullinated fibrinogen peptide.