RT Journal Article SR Electronic T1 Brain Oxygen Utilization Measured with O-15 Radiotracers and Positron Emission Tomography JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 177 OP 187 VO 25 IS 2 A1 M. A. Mintun A1 M. E. Raichle A1 W. R. W. Martin A1 P. Herscovitch YR 1984 UL http://jnm.snmjournals.org/content/25/2/177.abstract AB