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. 2016 Dec 3;18:289. doi: 10.1186/s13075-016-1192-x

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© The Author(s). 2016

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 — a-f Standardized musculoskeletal ultrasonography grading of arthritis and tenosynovitis with grey scale (B-mode) and power Doppler (PD) in 32 patients divided according to the presence of anti-cyclic citrullinated peptide (anti-CCP) (a), anti-carbamylated protein antibody (anti-CarP) (b), rheumatoid factor (c), radiographically confirmed erosions (d), daily intake of prednisolone (e), and with regard to the fulfilment of the 1982 American College of Rheumatology (ACR) classification criterion 5 (arthritis) (f) [35]. Median and interquartile range are illustrated. * p < 0.05