No abstract available
MeSH terms
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Adult
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Age Factors
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Aged
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Bile / physiology
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Cholesterol / metabolism
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Colonic Neoplasms / epidemiology*
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Colonic Neoplasms / etiology
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Female
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Gonadal Steroid Hormones / physiology*
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Humans
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Male
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Middle Aged
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Parity
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Reproduction
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Sex Factors
Substances
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Gonadal Steroid Hormones
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Cholesterol