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. 2015 Oct 26;6:206. doi: 10.1186/s13287-015-0198-7

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© Huang 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. 3 — In vivo tracking Luc-MSCs in the local injection group. a–e The intensity of the signal at the fracture site decreased gradually with time, and the signal lasted about 12–14 days following the injection. f Quantitative analysis of the photons at the fracture site also confirmed the above-mentioned phenomena. Luc-MSC Luciferase labeled mesenchymal stem cell