No abstract available
MeSH terms
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Aged
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Antioxidants / therapeutic use*
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Ascorbic Acid / therapeutic use
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Dietary Supplements*
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Drug Combinations
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Humans
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Macular Degeneration / prevention & control*
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Male
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Middle Aged
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Visual Acuity / drug effects
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Vitamin E / therapeutic use
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Vitamins / therapeutic use*
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Zinc / therapeutic use
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beta Carotene / therapeutic use
Substances
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Antioxidants
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Drug Combinations
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Vitamins
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beta Carotene
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Vitamin E
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Zinc
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Ascorbic Acid