RT Journal Article SR Electronic T1 Marketing Nuclear Medicine JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 225 OP 227 VO 14 IS 4 A1 Carretta, Robert F. A1 Matin, Philip YR 1986 UL http://tech.snmjournals.org/content/14/4/225.abstract AB