observation of rats given oral administration of 59fe-labeled cationic cacodylate ferric ( 59fe-cac ) colloid , anionic citrate ferric ( 59fe-cit ) colloid , cationic 59fe-cac complex and anionic 59fe-cit complex revealed that iron absorption was more efficient in the 59fe-cac colloid , moderate in the 59fe-cac complex , low in the 59fe-cit colloid , and lowest in the 59fe- cases given 59fe-cac colloid and 59fe-cac complex , a very high ratio activity was found in the liver and in the erythrocyte or hemoglobin in circulating blood , while the blood plasma , bone marrow , and spleen were low in activity .
C0014792
erythrocyte
C0019046
hemoglobin