Does soccer headgear reduce the incidence of sport-related concussion? A cluster, randomised controlled trial of adolescent athletes
Timothy McGuine, Eric Post, Adam Yakuro Pfaller, Scott Hetzel, Allison Schwarz, M Alison Brooks, Stephanie A Kliethermes
British Journal of Sports Medicine Apr 2020, 54 (7) 408-413; DOI: 10.1136/bjsports-2018-100238