TY - JOUR T1 - Calculation of Ejection Fraction in Gated SPECT JF - Journal of Nuclear Medicine JO - J Nucl Med SP - 657 LP - 657 VL - 44 IS - 4 AU - Michael L. Goris Y1 - 2003/04/01 UR - http://jnm.snmjournals.org/content/44/4/657.1.abstract N2 - ER -