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. 2017 Oct 23;12(10):e0186784. doi: 10.1371/journal.pone.0186784

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© 2017 Wu et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 7 — (A) Hematoxylin and Eosin (H&E) staining of the hind-paw tissue sections. Histologic sections of control, ketorolac, keto-hydrogel and hydrogel-treated hind paws after incision at D3 (a-e) and D7 (f-i). The asterisks (*) denote the surgical site. (B) Masson's trichrome stain of the hind-paw tissue section. Histologic sections of control, ketorolac, keto-hydrogel and hydrogel-treated hind-paws after incision at D3 (a-e) and D7 (f-i). Blue color is an indicative of collagenous deposition while red and pink signifies keratin and cytoplasm, respectively. The asterisks denote the surgical site.