PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1974 May 01 TA - Journal of Nuclear Medicine PG - 382--384 VI - 15 IP - 5 4099 - http://jnm.snmjournals.org/content/15/5/382.short 4100 - http://jnm.snmjournals.org/content/15/5/382.full SO - J Nucl Med1974 May 01; 15