RT Journal Article SR Electronic T1 To the Editor JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 568 OP 568 VO 7 IS 7 A1 Overton, M.C. A1 Haynie, T.P. A1 Snodgrass, S.R. YR 1966 UL http://jnm.snmjournals.org/content/7/7/568.1.abstract AB