Figure 1: Median of HF PTA WE (mean of 3, 4, and 6 kHz) in different age groups for male aircraft maintenance workers compared with 50th, 60th, 70th percentile curves for a reference population
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Figure 1: Median of HF PTA WE (mean of 3, 4, and 6 kHz) in different age groups for male aircraft maintenance workers compared with 50th, 60th, 70th percentile curves for a reference population
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