RT Journal Article SR Electronic T1 New Tl-201 Nudear Decay Data JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1047 OP 1048 VO 18 IS 10 A1 Harold W. Nass YR 1977 UL http://jnm.snmjournals.org/content/18/10/1047.2.abstract AB