Does disallowing body checking in non-elite 13- to 14-year-old ice hockey leagues reduce rates of injury and concussion? A cohort study in two Canadian provinces
Carolyn Emery, Luz Palacios-Derflingher, Amanda Marie Black, Paul Eliason, Maciek Krolikowski, Nicole Spencer, Stacy Kozak, Kathryn J Schneider, Shelina Babul, Martin Mrazik, Constance M Lebrun, Claude Goulet, Alison Macpherson, Brent E Hagel
British Journal of Sports Medicine Sep 2019, bjsports-2019-101092; DOI: 10.1136/bjsports-2019-101092
