No abstract available
MeSH terms
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Chemical Industry*
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Confounding Factors, Epidemiologic
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Environmental Exposure*
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Epidemiologic Studies
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Hepatitis B
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Hepatitis C
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Humans
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Liver Neoplasms / etiology
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Liver Neoplasms / mortality
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Neoplasms / etiology
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Neoplasms / mortality*
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Petroleum
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Research Design
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Risk Factors
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Taiwan / epidemiology