RT Journal Article SR Electronic T1 Performance of Collimators Used for Tomographic Imaging of I-123 Contaminated with I-124 JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1065 OP 1069 VO 24 IS 11 A1 Polak, Joseph F. A1 English, Robert J. A1 Holman, B. Leonard YR 1983 UL http://jnm.snmjournals.org/content/24/11/1065.abstract AB