β-Carotene in Golden Rice is as good as β-carotene in oil at providing vitamin A to children

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Yellow maize with high β-carotene is an effective source of vitamin A in healthy Zimbabwean men

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A Quarter of a Century of Progress to Prevent Vitamin A Deficiency Through Supplementation

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β-Carotene Is an Important Vitamin A Source for Humans

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Golden Rice is an effective source of vitamin A

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