Methods The group with noise exposure history and tinnitus which were normal examined by pure-tone audiometry and control group were examined by extended high frequency audiometry. 方法應用擴展高頻測聽(tīng)對常規純音測聽(tīng)測試正常的耳鳴及噪音暴露者和正常對照組進(jìn)行檢測。
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