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. 2019 Aug 23;98(34):e16952. doi: 10.1097/MD.0000000000016952

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Copyright © 2019 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

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Representative case of BoNTA group which had botulinum toxin A injection after stitch out (S021). Photographs showing wound healing and scar formation process. Upper left, right after stitch out. Upper right, 1 month after the injection. Lower left, 3 months after the injection. Lower right, 6 months after injection. Changes of scar scale value from 1 to 6 months after injection: from 16 to 11 (patient scar assessment scale), from 16 to 12 (observer scar assessment scale), from 2 to 4 (Stony Brook scar evaluation scale), from 5 to 7 (visual analog scale). Cutometer value: 0.074 (scar), 0.036 (normal skin), 0.038 (difference); melanin: 236 (scar), 172 (normal skin), 64 (difference); erythema: 424 (scar), 379 (normal skin), 45 (difference).