PT - JOURNAL ARTICLE ED - , TI - Placement DP - 1987 Jun 01 TA - Journal of Nuclear Medicine Technology PG - 23a--23a VI - 15 IP - 2 4099 - http://tech.snmjournals.org/content/15/2/23a.short 4100 - http://tech.snmjournals.org/content/15/2/23a.full SO - J. Nucl. Med. Technol.1987 Jun 01; 15