Comparison of Magnetic Resonance Angiography, Conventional Angiography, and Duplex Scanning
Stroke 23:341-345, Riles,T.S.,et al, 1992
Endarterectomy for Mild Cervical Carotid Artery Stenosis in Patients with Ischemic Stroke Events Refractory to Medical Treatment
Neurol Med Chir 48:211-215, Kobayashi,M.,et al, 2008