669 Preventing concussion in youth ice hockey: is research evidence necessary to inform policy change
CA Emery, M Krolikowski, A Black, WH Meeuwisse, A Nettel-Aguirre, C Goulet, BH Hagel
Injury Prevention Sep 2016, 22 (Suppl 2) A240; DOI: 10.1136/injuryprev-2016-042156.669