5Davis DH,Lawser Jr,Mcodonld JL et al.Intraventricular tension Pneumocephalus as a complication of paranasal sinus surgery:case report.Neurosurgery,1981,8:574
9Monajati A,Cotanch WW.Subdural tention pneumocephalus following surgery.J Comput Assist,1982,6:902
10Steudel WI,Hacker H.Prognosis,incidence and mangement of acute traumaticranial pneumocephalus:A retrospective of 49 cases,Acta Neurochir(wien),1986,80:93