PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1975 Jun 01 TA - Journal of Nuclear Medicine PG - 592--594 VI - 16 IP - 6 4099 - http://jnm.snmjournals.org/content/16/6/592.short 4100 - http://jnm.snmjournals.org/content/16/6/592.full SO - J Nucl Med1975 Jun 01; 16