CT Angiography and Doppler Sonography for Emergency Assessment in Acute Basilar Artery Ischemia
Stroke 30:606-612, Brandt,T.,et al, 1999
Intracranial Vertebrobasilar System:MR Angiography
Radiology 190:105-110, Wentz,K.U.,et al, 1994
MR Imaging of Vertebrobasilar Vascular Disease
J Comput Assist Tomogr 14:895-904, Schwaighofer,B.W.,et al, 1990
Evaluation of Cerebrovascular Disease by Combined Extracranial & Transcranial Doppler Sonography In 1, 039 Patients
Stroke 18:1018-1024, Grolimund,P.,et al, 1987