5HELLER J W,BRACKMANN D E,TUCCI D L,et al. Evaluation of MRI compatibility of the modified nucleus multichannel auditory brainstem and cochlear implants[ J]. Am J Otol,1996,17(5 ) :724 -726.
6JERGER J, HARFORD E, CLEMIS J,et al. The acoustic reflex in eight nerve disorders [ J ]. Arch Otolaryngol, 1974,99 (6) :409 - 413.