No abstract available
MeSH terms
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Anticarcinogenic Agents / therapeutic use*
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Asbestos / adverse effects
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Carcinogens / adverse effects*
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Clinical Trials as Topic
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Evidence-Based Medicine*
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Humans
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Incidence
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Lung Neoplasms / chemically induced*
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Lung Neoplasms / epidemiology*
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Lung Neoplasms / etiology
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Lung Neoplasms / mortality
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Lung Neoplasms / prevention & control
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Occupational Exposure / adverse effects
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Risk Factors
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Smoking / adverse effects
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United States / epidemiology
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beta Carotene / adverse effects*
Substances
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Anticarcinogenic Agents
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Carcinogens
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beta Carotene
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Asbestos