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. 2016 Dec 21;22:36. doi: 10.1186/s40409-016-0093-4

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© The Author(s). 2016

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — a Graph of the optical density of skin lesions on the day of induction, and at 3, 7, 14 and 21 days after surgery. b Images were collected for natural fluorescence detection of lesions. The optical density (photons/s/mm²) from a fixed region of interest (ROI) was measured