RT Journal Article SR Electronic T1 Precision and Accuracy of Assay in Whole-Body Counters of Radioactivity in Man JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 450 OP 450 VO 8 IS 6 YR 1967 UL http://jnm.snmjournals.org/content/8/6/450.abstract AB