PT - JOURNAL ARTICLE ED - , TI - 15/30 DP - 1991 Jul 01 TA - Journal of Nuclear Medicine PG - 1348--1348 VI - 32 IP - 7 4099 - http://jnm.snmjournals.org/content/32/7/1348.short 4100 - http://jnm.snmjournals.org/content/32/7/1348.full SO - J Nucl Med1991 Jul 01; 32