RT Journal Article SR Electronic T1 Ejection Fraction by Count Rate from Gated Images JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 880 OP 883 VO 19 IS 8 A1 Green, Michael V. A1 Brody, William R. A1 Douglas, Margaret A. A1 Borer, Jeffrey S. A1 Ostrow, Harold G. A1 Line, Bruce R. A1 Bacharach, Stephen L. A1 Johnston, Gerald S. YR 1978 UL http://jnm.snmjournals.org/content/19/8/880.abstract AB