https://sapl.ucalgary.ca/news/ban-bodychecking-non-elite-bantam-ice-hockey-significantly-reduces-injury
Ban on bodychecking in non-elite Bantam ice hockey significantly reduces injury | News | University...
Based on study results, UCalgary researcher Carolyn Emery calls for review of bodychecking policies for non-elite hockey for youth 13-14 years old