PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1975 Mar 01 TA - Journal of Nuclear Medicine PG - 252--254 VI - 16 IP - 3 4099 - http://jnm.snmjournals.org/content/16/3/252.short 4100 - http://jnm.snmjournals.org/content/16/3/252.full SO - J Nucl Med1975 Mar 01; 16