PT - JOURNAL ARTICLE AU - Barbara Y. Croft TI - CRC Handbook of Medical Physics Volume DP - 1983 Jul 01 TA - Journal of Nuclear Medicine PG - 646--647 VI - 24 IP - 7 4099 - http://jnm.snmjournals.org/content/24/7/646.3.short 4100 - http://jnm.snmjournals.org/content/24/7/646.3.full SO - J Nucl Med1983 Jul 01; 24