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. 2020 Jun 7;13(11):2603. doi: 10.3390/ma13112603

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Clinical appearance of the operated defect at one and three weeks’ time intervals showing the obvious difference between (a) BGnf treated wound; with complete wound closure and restoration of the mucosal texture (arrowhead) and (b) the unclosed purulent defect of the control wound at one week time interval. At three week time interval (c) the BGnf treated wound showed better tissue remodeling with temporary discoloration that related to the presence of remnant of BGnf (arrowhead) versus (d) projected region of the healing mucosa of the control wound at the same time interval (arrowhead).