RT Journal Article SR Electronic T1 Validity of Left Ventricular Ejection Fractions Measured at Rest and Peak Exercise By Equilibrium Radionudide Angiography Using Short Acquisition Times JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 566 OP 566 VO 35 IS 4 A1 Matthias E. Pfisterer A1 Donald R. Ricci A1 Gerhard Schuler A1 Sue S. Swanson A1 Donald G. Gordon A1 Kirk E. Peterson A1 William L. Ashburn YR 1994 UL http://jnm.snmjournals.org/content/35/4/566.abstract AB