No abstract available
MeSH terms
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Aged
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Carotenoids / administration & dosage*
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Carotenoids / adverse effects
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Diet
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Humans
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Male
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Middle Aged
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Prostatic Neoplasms / etiology*
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Prostatic Neoplasms / prevention & control
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Risk Factors
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Vitamin A / administration & dosage*
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Vitamin A / adverse effects
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beta Carotene
Substances
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beta Carotene
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Vitamin A
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Carotenoids