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. 2014 Oct 15;16(5):458. doi: 10.1186/s13075-014-0458-4

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© Finckh et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Evolution in disease activity. Displays the evolution of the disease activity as measured by the disease activity score based on 23 joints (DAS28) while receiving either methotrexate (MTX) (N = 25) or placebo (PBO) (N = 21). This figure aggregates both treatment periods, before and after the crossover.