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. 2015 Sep 30;37(1):32. doi: 10.1186/s40902-015-0034-0

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© Lee 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.

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Fig. 2 — Histological images at 8 weeks after the operation. a 4HR-incorporated SFM (bar = 1 mm). b Conventional SFM (bar = 1 mm). c 4HR-incorporated SFM (bar = 50 μm). d Conventional SFM (bar = 50 μm)