PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Placement DP - 1981 Jun 01 TA - Journal of Nuclear Medicine Technology PG - 38a--40a VI - 9 IP - 2 4099 - http://tech.snmjournals.org/content/9/2/38a.short 4100 - http://tech.snmjournals.org/content/9/2/38a.full SO - J. Nucl. Med. Technol.1981 Jun 01; 9