6Linn FH. Rinkel GJ,Algr A. et. al Incidence of Subarachnoid hemorrhage: Vole of region year, and rate of computed tomography: ametaanalysis, stroke 1996,27(4): 625--629 .
10Kourtopoulos H,Lindgren S,Oberg L.Ruptured intracranial aneurysms in infancy:Diagnostic difficulties and overall reflections associated with the surgical treatment of vasospasm[J].Acta Neurochir,2000,142(12):1425-1426.
