RT Journal Article SR Electronic T1 Effect of Acquisition Orbit on SPECT in Phantoms JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 993 OP 995 VO 44 IS 6 A1 Dennis Kirch A1 John Koss A1 Peter Steele A1 Todd Bublitz YR 2003 UL http://jnm.snmjournals.org/content/44/6/993.abstract AB