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. 2016 Aug 24;21:14. doi: 10.1186/s11658-016-0012-2

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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. 3 — Microstructure and macrostructure of PLGA scaffolds: a scanning electron micrographs of the cross section (Quanta 250 FEG; FEI Company), b image from confocal laser scanning microscope (Olympus FluoView), c morphology of representative PLGA scaffold