No abstract available
MeSH terms
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Attitude*
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Barium Sulfate
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Colonoscopy
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Colorectal Neoplasms / mortality
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Colorectal Neoplasms / prevention & control*
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Enema
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Health Knowledge, Attitudes, Practice
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Humans
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Mass Screening / methods
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Mass Screening / statistics & numerical data*
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Occult Blood
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Patients / psychology*
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Physicians / psychology*
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Practice Guidelines as Topic
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Sensitivity and Specificity
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United States / epidemiology