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. 2016 Dec 20;18:301. doi: 10.1186/s13075-016-1195-7

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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. 7 — ICOAP results. ICOAP a, b total, c, d constant pain, and e, f intermittent pain results are shown for cohorts 1 (a, c, and e) and 2 (b, d, and f). Data are presented as mean ± SD. 1 M, 3 M, 6 M, and 12 M = 1, 3, 6, and 12 months, respectively; C1 cohort 1, C2 cohort 2, ICOAP intermittent and constant osteoarthritis pain, M million cells, P placebo