RT Journal Article SR Electronic T1 VOICE box. Verification of Involvement In Continuing Education. Society of Nuclear Medicine. JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 256 OP 259 VO 27 IS 3 A1 Waterstram-Rich, K YR 1999 UL http://tech.snmjournals.org/content/27/3/256.1.abstract