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. 2023 Apr 14;20(8):5509. doi: 10.3390/ijerph20085509

Figure 1.

Figure 1

Comparison of absolute overnight tinnitus variation between groups, MML: Minimum Masking Level, VAS-L: Visual analog scale on tinnitus loudness, VAS-I: Visual analog scale on tinnitus intrusiveness. *: p < 0.05, **: p < 0.01.