No abstract available
MeSH terms
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Cohort Studies
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Dietary Supplements
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Digestive System Neoplasms / epidemiology
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Digestive System Neoplasms / etiology
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Humans
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Hydroxycholecalciferols / administration & dosage*
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Hydroxycholecalciferols / blood
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Hydroxycholecalciferols / deficiency*
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Incidence
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Linear Models
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Multivariate Analysis
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Neoplasms / epidemiology*
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Neoplasms / etiology*
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Neoplasms / mortality
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Neoplasms / prevention & control
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Nutrition Policy
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Prospective Studies
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Risk Assessment
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Risk Factors
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Skin Pigmentation
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Sunlight
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United States / epidemiology
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Vitamin D Deficiency / blood
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Vitamin D Deficiency / complications*