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In a recent story on FDA regulations about vitamins (JAMA Medical News 225:1174 [Sept 3] 1973), the dosages in the second paragraph should have read "single doses of vitamin D larger than 400 international units (IU) and doses of vitamin A greater than 10,000 IU."
Correction. JAMA. 1973;226(5):528. doi:10.1001/jama.1973.03230050010002