5Requet F, Mann WJ.lumbar cerebrospinal fluid draina ge for prevention of cerebrospinal fluid fistul as [J].HNO, 1993;41 (7):335-338
6Fishman AJ,Hbffman RA,RolandJTJr .Cerebrospinal fluid draina ge in the management of CSFleakfil lowing acoustic neuroma surgery[J].Laryngoscope, 1996; 106(8): 1002-1004
7Shapiro SA,Scully T.Closed contionuous drainage of cerebrospinal fluid via lumbar subarachnoid catbeter for treatment or prevention of cranial/spinal cerebrospinal fluid fistula. Neurosurgery, 1992;30:241 -245
