title: 'It didn't cross my mind that I wouldn't see him come off that field.' The tragic of risks of an American obsession.
authors.forename: Sean
authors.initials: S
authors.lastname: Gregory
mesh_terms: D000293:Adolescent; D001930:Brain Injuries / Q000453:epidemiology / Q000503:physiopathology* / Q000517:prevention & control; D003643:Death; D005260:Female; D005538:Football / Q000293:injuries*; D006801:Humans; D008297:Male; D018570:Risk Assessment; D014481:United States / Q000453:epidemiology