No abstract available
Publication types
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Clinical Trial
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Accident Prevention
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Clinical Trials as Topic
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Cross-Sectional Studies
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Data Collection / methods
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Health Surveys*
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Humans
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Models, Theoretical
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Population Surveillance
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Probability
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Random Allocation
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Research Design*
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Sampling Studies
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United States
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Vital Statistics*