PT - JOURNAL ARTICLE ED - , TI - Calendar DP - 1976 Jan 01 TA - Journal of Nuclear Medicine PG - 78--80 VI - 17 IP - 1 4099 - http://jnm.snmjournals.org/content/17/1/78.short 4100 - http://jnm.snmjournals.org/content/17/1/78.full SO - J Nucl Med1976 Jan 01; 17