1Tonndorf J,Kurman B. High frequency audiometry [J]. Ann Otol Rhinol Lanyngol, 1984 |93:576.
2Farsti SA ,Erickson DA,Frey RH,et al. The effects of noise upon human hearing sensitivity from 8000 to 20000 Hz[J].J Aconst Soc Am, 1981 ;69 : 1343.
3Michael PO. Toacoustic emission from normal hearing impaired subjects: distortion product[J].J Acoust Soc Am, 1993 ;94:250.
4Millls DM ,Norton SJ,Rubel EW. Vulnerbility and adaptation of distortion product otoaconstic emissions to endocochlear potential variation[J]. J Aconst Soc Am,1993 ;94:2108.
5Brown AM,McDowell B,Forge A. Acoustic distortion product can be used to monitor the effects of Chronic gentamicin treatment [J].Hear Res, 1989 ;42 : 143.
6Gorga MP,Neely ST ,Bergnmn B,et al. Otoacoustic emission from norreal hearing and hearlng-impalred subjects: distortion product responses[J]. J Acoustic Soc Am,1993 ;93:2050.
7Gorga MP, Neely ST , Berg, man B, et al. A comparison of transient evoked and distortion product otoaeoustic emission in normal-hearing and hearing-impaired subjects [J].J Acoust Soc Am, 1993 ;94 ;2639.
8Schuknecht HF. Further observation in the pathology of prebycusis[J]. Arth Otolaryhgol ,1964;80:369.
