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. 2015 Dec 8;19(2):97–103. doi: 10.1016/j.cjtee.2015.08.005

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© 2015 Daping Hospital and the Research Institute of Surgery of the Third Military Medical University. Production and hosting by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 1 — Cross section from the skin after 14 days. A1, A2: Negative control. B1, B2: Low dose-treated group: improved epithelium regeneration with well-condensed collagen content and developed angiogenesis. C1, C2: Medium dose-treated group: note ++epithelium regeneration with recovered dermis under epithelium. D1, D2: High dose-treated group: +++ epithelium generation and dermal papillae formation with intensive collagen content. Masson trichrome staining, A1, B1, C1 and D1: 400×; A2, B2, C2 and D2: 800×.