No abstract available
MeSH terms
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Adenoma / epidemiology
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Adenoma / etiology*
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Adenoma / pathology
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Body Mass Index*
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Humans
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Japan / epidemiology
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Male
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Middle Aged
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Obesity / complications
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Obesity / epidemiology
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Odds Ratio
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Risk Factors
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Sigmoid Neoplasms / epidemiology
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Sigmoid Neoplasms / etiology*
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Sigmoid Neoplasms / pathology