RT Journal Article SR Electronic T1 TWENTIETH ANNIVERSARY REVIEW OF THE TECHNOLOGIST SECTION JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 117 OP 118 VO 18 IS 2 A1 Cherico, Vincent V. A1 Maloney, Maria YR 1990 UL http://tech.snmjournals.org/content/18/2/117.abstract AB