6Wityk R J, Lehman D, Klag M, et al. Race and sex differences in the distribution of cerebral atherosclerosis[J]. Stroke, 1996, 27:1974-1980.
7Sacco RL, Kargman DE, Gu Q, et al. Race-ethnicity and determinants of intracranial atherosclerotic cerebral infarction. The Northern Manhattan Stroke Study[J]. Stroke, 1995, 26:14-20.
8Hill MD, Demchuk AM, Frayne R. Noninvasive imaging is improving but digital subtraction angiography remains the gold standard[J]. Neurology, 2007, 68:2057-2058.
9Cloft HJ, Lynn MJ, Feldmann E, et al. Risk of cerebral angiography in patients with symptomatic intracranial atherosclerotic stenosis[J]. Cerebrovasc Dis, 2011 31:588-591.
10Skutta B, Furst G, Eilers J, et al. Intracranial stenoocclusive disease:double-detector helical CT angiography versus digital subtraction angiography[J]. AJNR Am J Neuroradiol, 1999, 20:791-799.
