RT Journal Article SR Electronic T1 Re: Validity of Left-Ventricular Ejection Fractions Measured at Rest and Peak Exercise by Equilibrium Radionuclide Angiography Using Short Acquisition Times—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 290 OP 290 VO 22 IS 3 A1 Pfisterer, Matthias E. A1 Ricci, Donald R. A1 Schuler, Gerhard A1 Swanson, Sue S. A1 Gordon, Donald G. A1 Peterson, Kirk E. A1 Ashburn, William L. YR 1981 UL http://jnm.snmjournals.org/content/22/3/290.1.abstract AB