PT - JOURNAL ARTICLE AU - William C. Eckelman AU - George Meinken AU - Powell Richards TI - The Authors' Reply DP - 1972 May 01 TA - Journal of Nuclear Medicine PG - 341--342 VI - 13 IP - 5 4099 - http://jnm.snmjournals.org/content/13/5/341.short 4100 - http://jnm.snmjournals.org/content/13/5/341.full SO - J Nucl Med1972 May 01; 13