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. 2021 Jan 18;62(2):217–225. doi: 10.1093/jrr/rraa137

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© The Author(s) 2021. Published by Oxford University Press on behalf of The Japanese Radiation Research Society and Japanese Society for Radiation Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Fig. 5. — Difference of the average signal-to-noise ratio of DPOAE on day 3 (top) and day 7 (bottom) after irradiation in each group. The results show the mean ± standard deviation of three measurements. Difference = SNR before irradiation − SNR after irradiation. One-way ANOVA: ^*P < 0.05, ^*^*P < 0.01 when compared to the control group at the same time point.