RT Journal Article SR Electronic T1 Two-Crystal Coincidence Counting of I-123 JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1045 OP 1046 VO 18 IS 10 A1 Brinkman, G. A. A1 Lindner, L. YR 1977 UL http://jnm.snmjournals.org/content/18/10/1045.abstract AB