title: Ultrasonic Doppler flow in migraine and cluster headache.
mesh_terms: D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity; D002560:Cerebrovascular Circulation; D003027:Cluster Headache / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D008881:Migraine Disorders / Q000175:diagnosis* / Q000503:physiopathology; D012212:Rheology; D014463:Ultrasonography; D014653:Vascular Headaches / Q000175:diagnosis*