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. 2014 Mar 31;2:6. doi: 10.1186/2050-5736-2-6

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Copyright © 2014 Nabili et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Change in the corneal structure. Changes in the cornea as a result of ultrasound application as compared to sham-treated corneas (n = 8). Different bars represent the corneal damage due to ultrasound application at frequencies of 400 kHz (n = 6) and 600 kHz (n = 6). Data are shown as mean ± standard deviation. No changes were observed in control corneas (n = 20) in all cases. *p value <0.05; **p value <0.001.