No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Bias*
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Censuses*
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Data Collection / methods
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Data Interpretation, Statistical
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Epidemiologic Studies*
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Family Characteristics
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Geography
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Health Status Indicators*
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Humans
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Neoplasms / epidemiology
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Postal Service*
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Research Design*
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Socioeconomic Factors
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United States / epidemiology