Secret locker room game causing concussions.
Moulton
Donalee
D
D001265:Athletic Injuries / Q000150:complications* / Q000453:epidemiology / Q000517:prevention & control; D001924:Brain Concussion / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D002648:Child; D006801:Humans; D015994:Incidence; D009656:North America / Q000453:epidemiology