No abstract available
MeSH terms
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Adenoma / epidemiology*
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Adenoma / pathology
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Aged
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Carcinoma / epidemiology
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Carcinoma / pathology
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Case-Control Studies
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Colonic Neoplasms / epidemiology*
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Colonic Neoplasms / pathology
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Colonic Polyps / epidemiology*
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Colonic Polyps / pathology
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Female
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Health Surveys
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Humans
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Incidence
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Male
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Middle Aged
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Risk Factors
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Vagotomy / adverse effects*