4Broderick JP,Brott TG,Duldner JE,et al. Initial and recurrent bleeding are the major causes of death following subarachnoid hemorrhage [J ]. Stroke, 1994,25 : 1342.
8Fainardi E, Chieregato A,Antonelli V,et al.Time course of CT evolution in traumatic subarachnoid haemorrhage:a study of 14 lpatients [ J]. Acta Neu-rochir, 2004,146(3): 257 263.
4[2]Broderick JP,Brott TG,Duldner JE,et al.Initial and recurrent bleeding are the major causes of death following subarachnoid hemorrhage[J].Stroke,1994,25:1342.
5[4]Kassell NF,Toner JC,Haley EC,et al.The international coperative study on the timing of aceurysm surgery[J].Neurosurgery,1990,73:18-36.
