PT - JOURNAL ARTICLE ED - Society of Nuclear Medicine TI - Calendar DP - 1981 Jan 01 TA - Journal of Nuclear Medicine PG - 106--58A VI - 22 IP - 1 4099 - http://jnm.snmjournals.org/content/22/1/106.short 4100 - http://jnm.snmjournals.org/content/22/1/106.full SO - J Nucl Med1981 Jan 01; 22