Acute Occlusion of the Middle Cerebral Artery:Early Eval with Triphasic Helical CT-Prelim ResultsRadiology 207:113-122, Na,D.G.,et al, 1998
Potential of CT Angiography in Acute Ischemic StrokeAJNR 18:1001-1010, Knauth,M.,et al, 1997