RT Journal Article SR Electronic T1 Current Radiology, Vol. 2 JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 811 OP 812 VO 21 IS 8 A1 Hawkins, Randall A1 Greenfield, Larry YR 1980 UL http://jnm.snmjournals.org/content/21/8/811.3.abstract AB