RT Journal Article SR Electronic T1 Extracardiac Activity Complicates Quantitative Cardiac SPECT Imaging Using a Simultaneous Transmission-Emission Approach JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1882 OP 1890 VO 38 IS 12 A1 Eliot N. Heller A1 Paul DeMan A1 Yi-Hwa Liu A1 Donald P. Dione A1 I. George Zubal A1 Frans J.T. Wackers A1 Albert J. Sinusas YR 1997 UL http://jnm.snmjournals.org/content/38/12/1882.abstract AB