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October 9, 2002

Factual Error and Incorrect Units

JAMA. 2002;288(14):1720. doi:10.1001/jama.288.14.1720

In the Scientific Review and Clinical Applications article entitled "Vitamins for Chronic Disease Prevention in Adults: Scientific Review," published in the June 19, 2002, issue of THE JOURNAL (2002;287:3116-3126), the units for vitamins A, D, K, and B12 and folate in Table 3 should have been micrograms, not micrograms per liter. On page 3119, under the heading "Vitamin E," "α-Tocopherol is the most abundant form in foods and is generally the form used in supplements" should have read "γ-Tocopherol is the most abundant form and α-tocopherol is the form used for most supplements." On page 3123, under the heading "Vitamin A," "vitamin A is 1500 µg/L" should have read 1500 µg. On page 3124, under the heading "Vitamin K," "vitamin K is 80 µg/L" should have read 80 µg.