An Approach Doppler Ultrasound as Screening Tool for Hemodyn Sig Stenosis (Despite Heterogen Doppler Perf)
Stroke 27:1951-1957, Howard,G.,et al, 1996
Intracranial Aneurysms:MR Angiographic Screening in 400 Asymptomatic Individuals with Increased Familial Risk
Radiology 195:35-40, Ronkainen,A.,et al, 1995