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. 2016 Jul 9;16:136. doi: 10.1186/s12877-016-0304-4

Fig. 2.

Fig. 2

Mean tonal audiometry in silence and in noise (50 dB). * p <0.05 ; ** p <0.01. grey lines : silent environnement. Black lines : noisy environnement. Triangle : Teo first. Square : no hearing aid