RT Journal Article SR Electronic T1 Computer-Focusing Using an Appropriate Gaussian Function JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 209 OP 212 VO 10 IS 5 A1 Teruo Nagai A1 Nobuo Fukuda A1 T. A. Iinuma YR 1969 UL http://jnm.snmjournals.org/content/10/5/209.abstract AB