RT Journal Article SR Electronic T1 LETTER FROM THE EDITOR: Expensive Solutions for III-Defined Problems? JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 159 OP 160 VO 18 IS 3 A1 Cradduck, T.D. YR 1990 UL http://tech.snmjournals.org/content/18/3/159.abstract AB