PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Calendar DP - 1977 Jul 01 TA - Journal of Nuclear Medicine PG - 756--758 VI - 18 IP - 7 4099 - http://jnm.snmjournals.org/content/18/7/756.short 4100 - http://jnm.snmjournals.org/content/18/7/756.full SO - J Nucl Med1977 Jul 01; 18