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. 2015 Sep 25;17:271. doi: 10.1186/s13075-015-0758-3

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© Mikkelsen et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 2 — Systemic inflammatory markers. Plasma levels of the inflammatory markers tumor necrosis factor α (TNF-α), interleukin 6 (IL-6) and C-reactive protein (CRP) measured in controls (CON) and RA patients (RA). Individual data (mean of two sampling days) were log-transformed for statistical analyses and data are shown on log scales with line at geometric means. Significance level of paired comparisons is given on graphs