PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Placement DP - 1989 Jun 01 TA - Journal of Nuclear Medicine Technology PG - 21A--21A VI - 17 IP - 2 4099 - http://tech.snmjournals.org/content/17/2/21A.short 4100 - http://tech.snmjournals.org/content/17/2/21A.full SO - J. Nucl. Med. Technol.1989 Jun 01; 17