PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Placement DP - 1990 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 22A--23A VI - 18 IP - 4 4099 - http://tech.snmjournals.org/content/18/4/22A.short 4100 - http://tech.snmjournals.org/content/18/4/22A.full SO - J. Nucl. Med. Technol.1990 Dec 01; 18