No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Denmark / epidemiology
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Diet / adverse effects*
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Female
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Folic Acid / administration & dosage
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Folic Acid / adverse effects*
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Humans
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Lung Neoplasms / chemically induced
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Lung Neoplasms / epidemiology*
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Male
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Middle Aged
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Risk
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Vitamin B Complex / administration & dosage
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Vitamin B Complex / adverse effects*
Substances
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Vitamin B Complex
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Folic Acid