RT Journal Article SR Electronic T1 The Authors' Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 915 OP 916 VO 15 IS 10 A1 Henkin, Robert E. A1 Yao, James S. T. A1 Quinn, James L. A1 Bergen, John J. YR 1974 UL http://jnm.snmjournals.org/content/15/10/915.2.abstract AB