PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Calendar DP - 1980 Oct 01 TA - Journal of Nuclear Medicine PG - 1014--58A VI - 21 IP - 10 4099 - http://jnm.snmjournals.org/content/21/10/1014.short 4100 - http://jnm.snmjournals.org/content/21/10/1014.full SO - J Nucl Med1980 Oct 01; 21