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. 2017 Nov 1;37:22. doi: 10.1186/s41232-017-0053-6

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© The Author(s) 2017

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. 4 — Flow cytometric analysis of surface markers. Results are shown for the flow cytometric analysis of hematopoietic cell markers CD31 and CD45 and mesenchymal stem cell markers CD44, CD81, and CD90. The target markers are indicated in red, and IgG isotype controls are indicated in gray. Both PD sheets and TKA sheets were negative for CD31 and CD45 and positive for CD44, CD81, and CD90