Sex-Related Differences in the Incidence, Severity, and Recovery of Concussion in Adolescent Student-Athletes Between 2009 and 2019. - Hannah, Theodore C.; Li, Adam Y.; Spiera, Zachary; Kuohn, Lindsey; Dai, Jennifer; McAuley, Fiona; Ali, Muhammad; Durbin, John R.; Dreher, Nickolas; Marayati, Naoum Fares; Gometz, Alex; Lovell, Mark; et al. (American Journal of Sports Medicine, 2021)