PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1975 May 01 TA - Journal of Nuclear Medicine PG - 446--448 VI - 16 IP - 5 4099 - http://jnm.snmjournals.org/content/16/5/446.short 4100 - http://jnm.snmjournals.org/content/16/5/446.full SO - J Nucl Med1975 May 01; 16