RT Journal Article SR Electronic T1 Half-Fanbeam Collimators Combined with Scanning Point Sources for Simultaneous Emission-Transmission Imaging JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1996 OP 2003 VO 39 IS 11 A1 Beekman, Freek J. A1 Kamphuis, Chris A1 Hutton, Brian F. A1 van Rijk, Peter P. YR 1998 UL http://jnm.snmjournals.org/content/39/11/1996.abstract AB