No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Bicycling / injuries*
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Child
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Child, Preschool
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Craniocerebral Trauma / epidemiology
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Craniocerebral Trauma / prevention & control*
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Female
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Head Protective Devices / economics
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Head Protective Devices / statistics & numerical data*
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Health Promotion / methods*
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Humans
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Male
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Rhode Island / epidemiology