7Kissela BM,Sauerbeck L,Woo D,et al.Subaracnoid hemorr -hage:a preventable disease with a heritable component.Stroke,2002,33(5): 1321
8Vermeulen M .Subarachnoid hemorrhage:diagnosis and treatment.J NeuroI, 1996,243(3) :496
9Marion DW,.Se gal R,Thompson ME.subarachnoid hemorrhage and the heart.Neurosurgery, 1986,18 : 101
10Hirai T,Korogi Y,Suginohara K,et al.Clinical usefullness of unsubtracted 3D digital angiogaphy compared with rotational Digital angiography in the pretreatment evaluation of intraeranial Aneurysms. Am J Neuroadiol,2003,24:1067