RT Journal Article SR Electronic T1 Yes, We Have No Technetium: a Not-So-Futuristic Scenario JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 24N OP 25N VO 35 IS 7 A1 Carretta, Robert F. YR 1994 UL http://jnm.snmjournals.org/content/35/7/24N.abstract AB