PT - JOURNAL ARTICLE AU - C. Craig Harris TI - Letter to the Editor DP - 1964 Dec 01 TA - Journal of Nuclear Medicine PG - 960--960 VI - 5 IP - 12 4099 - http://jnm.snmjournals.org/content/5/12/960.short 4100 - http://jnm.snmjournals.org/content/5/12/960.full SO - J Nucl Med1964 Dec 01; 5