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. 2015 Jan 8;3(1):2325967114564358. doi: 10.1177/2325967114564358

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© The Author(s) 2015

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License (http://www.creativecommons.org/licenses/by-nc-nd/3.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access page (http://www.uk.sagepub.com/aboutus/openaccess.htm).

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Figure 3. — Distribution of severe injuries and concussions in individual extreme sports. (A) Occurrence of concussions and (B) occurrence of severe injuries.