PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Placement DP - 1976 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 221--222 VI - 4 IP - 4 4099 - http://tech.snmjournals.org/content/4/4/221.short 4100 - http://tech.snmjournals.org/content/4/4/221.full SO - J. Nucl. Med. Technol.1976 Dec 01; 4