title: Cumulative effects of concussion in high school athletes.
authors.forename: Dwight
authors.initials: D
authors.lastname: Parkinson
mesh_terms: D000293:Adolescent; D001265:Athletic Injuries / Q000145:classification* / Q000150:complications*; D001924:Brain Concussion / Q000145:classification* / Q000150:complications*; D001930:Brain Injuries / Q000145:classification* / Q000150:complications*; D006801:Humans; D012008:Recurrence; D012574:Schools; D009626:Terminology as Topic