PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - 15/30 DP - 1991 Feb 01 TA - Journal of Nuclear Medicine PG - 321--321 VI - 32 IP - 2 4099 - http://jnm.snmjournals.org/content/32/2/321.short 4100 - http://jnm.snmjournals.org/content/32/2/321.full SO - J Nucl Med1991 Feb 01; 32