PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Placement DP - 1991 Jun 01 TA - Journal of Nuclear Medicine Technology PG - 16A--17A VI - 19 IP - 2 4099 - http://tech.snmjournals.org/content/19/2/16A.short 4100 - http://tech.snmjournals.org/content/19/2/16A.full SO - J. Nucl. Med. Technol.1991 Jun 01; 19