RT Journal Article SR Electronic T1 NMTCB Critical Task Validation Study: Identification of Entry Level Domain JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 192 OP 200 VO 12 IS 4 YR 1984 UL http://tech.snmjournals.org/content/12/4/192.abstract AB