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Figure 4: Tone thresholds as a function of time after shooting, averaged over subjects and over the frequencies 3, 4, and 6 kHz for the control group (N=23, dashed lines) and the NAC group (N=11, solid lines). Circles = right ear, crosses = left ear

Figure 4: Tone thresholds as a function of time after shooting, averaged over subjects and over the frequencies 3, 4, and 6 kHz for the control group (<i>N</i>=23, dashed lines) and the NAC group (<i>N</i>=11, solid lines). Circles = right ear, crosses = left ear