No abstract available
MeSH terms
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Aspirin / adverse effects
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Aspirin / therapeutic use*
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Colorectal Neoplasms / epidemiology
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Colorectal Neoplasms / pathology
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Colorectal Neoplasms / prevention & control*
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Gastrointestinal Neoplasms / epidemiology
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Gastrointestinal Neoplasms / pathology
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Gastrointestinal Neoplasms / prevention & control*
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Humans
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Risk Assessment