RT Journal Article SR Electronic T1 Coincidence and Noncoincidence Counting (81Rb and 43K): A Comparative Study JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 658 OP 661 VO 16 IS 7 A1 Shigeaki Ikeda A1 Helmer Duken A1 Harald Tillmanns A1 Richard J. Bing YR 1975 UL http://jnm.snmjournals.org/content/16/7/658.abstract AB