No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Antineoplastic Agents / administration & dosage*
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Carotenoids / administration & dosage*
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Case-Control Studies
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Confounding Factors, Epidemiologic
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Diet*
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Fruit
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Humans
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Lung Neoplasms / etiology
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Lung Neoplasms / prevention & control*
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Male
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Middle Aged
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Risk
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Smoking / adverse effects
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Surveys and Questionnaires
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Tracheal Neoplasms / prevention & control
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Vegetables
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beta Carotene
Substances
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Antineoplastic Agents
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beta Carotene
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Carotenoids
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alpha-carotene