RT Journal Article SR Electronic T1 Distribution of Various Classes of Radiolabeled Tracers in Plasma, Scalp, and Brain JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 681 OP 685 VO 13 IS 9 A1 William H. Oldendorf YR 1972 UL http://jnm.snmjournals.org/content/13/9/681.abstract AB