Figure 2From: Relatively higher norms of blood flow velocity of major intracranial arteries in North-West IranMean blood flow velocity in different cerebral vessels compared for three age groups. MCA: Middle cerebral artery, PCA: Posterior cerebral artery, ACA: Anterior cerebral artery VA: Vertebral artey, BA: Basilar artey, MV: Mean velocity, R; Right, L: LeftBack to article page