RT Journal Article SR Electronic T1 Authors' Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 703 OP 703 VO 13 IS 9 A1 M. Coel A1 S. Halpern A1 N. Alazraki YR 1972 UL http://jnm.snmjournals.org/content/13/9/703.2.abstract AB