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vitamin A

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vitamin A
vitamin A (retinol) n. a fat-soluble vitamin that occurs preformed in foods of animal origin (especially milk products, egg yolk, and liver) and is formed in the body from the pigment β-carotene, present in some vegetable foods (for example cabbage, lettuce, and carrots). Retinol is essential ...
January 1, 2008; A Dictionary of Nursing

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