PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1991 Jul 01 TA - Journal of Nuclear Medicine PG - 31A--33A VI - 32 IP - 7 4099 - http://jnm.snmjournals.org/content/32/7/31A.short 4100 - http://jnm.snmjournals.org/content/32/7/31A.full SO - J Nucl Med1991 Jul 01; 32