PT - JOURNAL ARTICLE ED - , TI - News Briefs DP - 1991 Apr 01 TA - Journal of Nuclear Medicine PG - 56N--56N VI - 32 IP - 4 4099 - http://jnm.snmjournals.org/content/32/4/56N.short 4100 - http://jnm.snmjournals.org/content/32/4/56N.full SO - J Nucl Med1991 Apr 01; 32