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. 2017 Mar 15;7:192. doi: 10.1038/s41598-017-00087-x

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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The morphology of BMSCs on 2D culture plate and 3D scaffolds. (a) Macrophotograph of 3D collagen porous scaffolds. (b) SEM image of 3D porous scaffolds. Scale bar = 400 μm. (c) Macrophotograph of BMSCs cultured in RCCS-3D group. (d) Macrophotograph of BMSCs cultured in static-2D group and static-3D group.