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Armour Research Foundation of Illinois, Institute of Technology, Chicago
Iodine was found to be nutritionally available from insoluble cuprous iodide, diiododithymol, and 3-5-diiodosalicylic acid. Acute and chronic toxicity tests indicated that Cu2I2 and 3-5-diiodosalicylic acid were non-toxic in amounts required to protect the thyroid gland.
Manuscript received 21 September 1953.