Assessment of the Contribution of the External Carotid Artery to Brain Perfusion in Patients with Internal Carotid Artery Occlusion
Stroke 39:3003-3008, van Laar,P.J.,et al, 2008
Diffusion- and Perfusion-Weighted MRI Patterns in Borderzone Infarcts
Stroke 31:1090-1096, Chaves,C.J.,et al, 2000