No abstract available
Publication types
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Editorial
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Accident Prevention / methods*
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Athletic Injuries / epidemiology
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Athletic Injuries / prevention & control*
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Brain Concussion / epidemiology
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Brain Concussion / prevention & control
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Brain Injuries / epidemiology
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Brain Injuries / prevention & control*
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Football / injuries
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Head Protective Devices / statistics & numerical data*
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Hockey / injuries
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Humans
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Male
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Survival Rate
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United States / epidemiology