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. 2020 Feb 13;11:56. doi: 10.1186/s13287-020-1570-9

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© The Author(s). 2020

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. 1 — hAMSCs promoted skin wound healing in rats. a Full-thickness excision wounds were made on the backs of SD rats on day 0 (D0). The wound healing progress was digitally photographed on D0, D5, D10, and D15 post-wounding in both the control and hAMSC treatment groups. Ruler scale = 1 mm. b The healing area was calculated at the given time point relative to the original healing area on D0. n = 5. c The effect of hAMSCs on the morphological change of skin wounds was assessed by HE staining. Dotted lines indicate the newly formed epithelial tongue. Scale bar = 100 μm