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. 2019 Nov 14;19:226. doi: 10.1186/s12886-019-1235-6

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© The Author(s). 2019

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 — Ocular surface observation and examination. (a) Slit-lamp microscope observation and photograph of control group, FK group, vehicle^inj FK group and uMSCs^inj FK group. (b) Statistical analysis of corneal opacity scores. (c) Statistical analysis of corneal scar formation area (mm²) between groups. Magnification of ocular surface photos: 25×. Values are presented as means ± SD, n = 12, ^*P < 0.05