PT - JOURNAL ARTICLE ED - , TI - Self-Study Test DP - 1991 Oct 01 TA - Journal of Nuclear Medicine PG - 1909--1936 VI - 32 IP - 10 4099 - http://jnm.snmjournals.org/content/32/10/1909.short 4100 - http://jnm.snmjournals.org/content/32/10/1909.full SO - J Nucl Med1991 Oct 01; 32