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APA Citation
Smith, A. M., Gaz, D. V., Larson, D., Jorgensen, J. K., Eickhoff, C., Krause, D. A., Fenske, B. M., Aney, K., Hansen, A. A., Nanos, S. M., & Stuart, M. J. (2016). does fair play reduce concussions? A prospective, comparative analysis of competitive youth hockey tournaments. BMJ open sport & exercise medicine, 2(1), . http://access.bl.uk/ark:/81055/vdc_100135541363.0x000002