PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Calendar DP - 1978 May 01 TA - Journal of Nuclear Medicine PG - 576--578 VI - 19 IP - 5 4099 - http://jnm.snmjournals.org/content/19/5/576.short 4100 - http://jnm.snmjournals.org/content/19/5/576.full SO - J Nucl Med1978 May 01; 19