Changes in global cerebral blood flow in humans: effect on regional cerebral blood flow during a neural activation task.
Stuart C. Ramsay, Kevin Murphy, Steven A. Shea, Karl Friston, Adriaan A. Lammertsma, J. C. Clark, L. Adams, A. Guz, R. S. J. Frackowiak (1993). Changes in global cerebral blood flow in humans: effect on regional cerebral blood flow during a neural activation task.. , 471(1), DOI: https://doi.org/10.1113/jphysiol.1993.sp019913.