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Figure 4. Comparison of noise-induced threshold shifts found in literature and in the present study. The ordinate gives the maximal threshold shift; The abscissa the noise exposure level adjusted to a one week, 5 days, 8 hours per day equivalent level

Figure 4. Comparison of noise-induced threshold shifts found in literature and in the present study. The
ordinate gives the maximal threshold shift; The abscissa the noise exposure level adjusted to a one
week, 5 days, 8 hours per day equivalent level