6Fogelholm R,Hernesniemi J,Vapalahti M.Impact of early surgery on outcome after aneurysmal subarachnoid hemorrhage:a population-based study[J].Stroke,1993,24(11):1649-1654.
7Erly WK,Zaetta J,Borders GT,et al.Gadopentetate dimeglumine as a contrast agent in cornmon carotid arteriography[J].AJNR Am J Neuroradiol,2000,21(5):964-967.
8Lee VS,Martin DJ,Krinsky GA,et al.Gadolinium-enhanced MR angiography:artifacts and pitfalls[J].AJR Am J Roentgenol,2000,175(1):197-205.
9Berteloot D,Leclerc X,Leys D,et al.Cerebral angiography:a study of complications in 450 consecutive procedures[J].Radiol,1999,80(5):843-848.
10Unlu E,Cakir B,Gocer B,et al.The role of contrast-enhanced MR angiography in the assessment of recently ruptured Intracranial aneurysms:a comparative study[J].Neuroradiology,2005,47(10):780-791.
