RT Journal Article SR Electronic T1 Quantification of Flow in a Dynamic Phantom Using 81Rb-81mKr and a NaI Detector JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1026 OP 1026 VO 18 IS 10 YR 1977 UL http://jnm.snmjournals.org/content/18/10/1026.2.abstract AB