PT - JOURNAL ARTICLE AU - Joseph B. Workman AU - Edward Rusche TI - Cobalt-57 Labeled Vitamin B-12 Plasma Levels for the Differential Diagnosis of Macrocytic Anemias DP - 1966 Aug 01 TA - Journal of Nuclear Medicine PG - 583--588 VI - 7 IP - 8 4099 - http://jnm.snmjournals.org/content/7/8/583.short 4100 - http://jnm.snmjournals.org/content/7/8/583.full SO - J Nucl Med1966 Aug 01; 7