4Jannetta PJ,Abbasy M,Maroon JC,et al.Etiology and definitive microsurgical treatment of hemifacial spasm:operative techniques and results in 47 patients.Neurosurg,1977,47,(3):321-328.
5Lovely TJ,Getch CC,Jannetta PJ.Delayed facial weakness after microvascular decompression of cranial nerve Ⅶ.Surg Neurol,1998,50(5):449-452.
6Oiwa Y,Nakai K,Takayama M,et al.Microvascular decompression of cranial nerves using sheets of a dural substitute-technicalnote.Neurol Med Chir(Tokyo),2004,44(2):94 -101.
7Polo G,Fischer C,Sindou MP,et al.Brainstem auditorye evoked potential monitoring during microvascular decompression for hemifacial spasm:intraoperative brainstem auditory evoked potential changes and warning values to prevent hearing loss-prospective study in a consecutive series of 84 patients.Neurosurgery,2004,54(1):97-106.