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1 Department of Radiology and Division of Pharmacology and Toxicology, School of Medicine and Dentistry, University of Rochester, Rochester, New York
The distribution of intravenously-administered radioiodine in the tissues of rabbits, up to 12 hours after injection, has been measured; the total iodine present in these tissues has also been determined chemically. The thyroid gland contained relatively high percentages of the injected dose; the other tissues studied, although variations are observed from tissue to tissue, all have a relatively low concentration of radioiodine.
From this work and the data of others, it is concluded that to produce maximal concentrations of radioiodine in the thyroid gland, the total dose of iodine (I 127) should be kept as small as possible.
Submitted on September 15, 1948