Harders, A G Brain activity and blood flow velocity changes: a transcranial Doppler study. [electronic resource] - The International journal of neuroscience Jul 1989 - 91-102 p. digital Publication Type: Journal Article ISSN: 0020-7454 Standard No.: 10.3109/00207458908987421 doi Subjects--Topical Terms: AdolescentAdultBlood Flow VelocityBrain--physiologyCerebrovascular CirculationFemaleHumansMaleMiddle AgedUltrasonographyVisual Cortex--physiology