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Methods Pure tone audiometry,SISI,ABLB and white-noise masking effect(Langenbeck's methods) audiometries were performed in 30 patients (44 ears) with sensorineural hearing loss with BOSCH audiometer made in Germany.
用德国产BOSCH听力计对30例(44耳)感音神经性听力损失患者作纯音测试和阈上测听(包括Langenbeck,SISI和ABLB试验),比较三种试验相对于三种听力曲线及1,2和4 kHz三频率的阳性结果。