PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1972 Sep 01 TA - Journal of Nuclear Medicine PG - 712--712 VI - 13 IP - 9 4099 - http://jnm.snmjournals.org/content/13/9/712.short 4100 - http://jnm.snmjournals.org/content/13/9/712.full SO - J Nucl Med1972 Sep 01; 13