Estimating Flow Direction of Circle of Willis Using Dynamic Arterial Spin-Labeling MR Angiography

Kaiyu Zhang, Halit Akcicek, Gen Shi, Gador Canton, Josh Liu, Yin Guo, Xin Wang, Li Chen, Kristi D. Pimentel, Ebru Yaman Akcicek, Xihe Tang, Yongjian Jin, Xuesong Li, Niranjan Balu, Thomas S. Hatsukami, Mahmud Mossa-Basha, Zhensen Chen^*, Chun Yuan