PT - JOURNAL ARTICLE ED - , TI - Placement DP - 1984 Sep 01 TA - Journal of Nuclear Medicine Technology PG - 21A--21A VI - 12 IP - 3 4099 - http://tech.snmjournals.org/content/12/3/21A.short 4100 - http://tech.snmjournals.org/content/12/3/21A.full SO - J. Nucl. Med. Technol.1984 Sep 01; 12