RT Journal Article SR Electronic T1 The Authors′ Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 495 OP 495 VO 16 IS 6 A1 George M. Grames A1 Robert Reiswig A1 Carl Jansen A1 Raymond Herber YR 1975 UL http://jnm.snmjournals.org/content/16/6/495.2.abstract AB