No abstract available
MeSH terms
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Colonoscopy*
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Colorectal Neoplasms / drug therapy*
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Colorectal Neoplasms / etiology
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Confounding Factors, Epidemiologic
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Cross-Sectional Studies
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Female
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Humans
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Male
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Poland / epidemiology
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Risk Factors
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Sex Distribution
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Smoking / adverse effects*
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Smoking / epidemiology