RT Journal Article SR Electronic T1 The Authors′ Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1066 OP 1067 VO 15 IS 11 A1 DeGrazia, Joseph A. A1 Scheibe, P. O. A1 Jackson, P. E. A1 Lucas, Z. J. A1 Fair, W. R. A1 Vogel, J. M. A1 Blumin, L. J. YR 1974 UL http://jnm.snmjournals.org/content/15/11/1066.2.abstract AB