PT - JOURNAL ARTICLE ED - , TI - Placement DP - 1981 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 19a--20A VI - 9 IP - 4 4099 - http://tech.snmjournals.org/content/9/4/19a.short 4100 - http://tech.snmjournals.org/content/9/4/19a.full SO - J. Nucl. Med. Technol.1981 Dec 01; 9