216 Who’s keeping score? The effect of a score differential based running time rule on head impact rates in Canadian high school tackle football
| Autor: | Christian A. Clermont, Brent E Hagel, M Patrick Pankow, Carolyn A. Emery, Sagar Grewal, Christopher R. Dennison, Martin Mrazik, Ash T Kolstad, Reid A Syrydiuk |
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| Rok vydání: | 2021 |
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| Zdroj: | Poster Presentations. |
| DOI: | 10.1136/bjsports-2021-ioc.199 |
| Databáze: | OpenAIRE |
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