title: Concussion.
authors.forename: Paul R
authors.initials: PR
authors.lastname: Stricker
authors.forename: James
authors.initials: J
authors.lastname: Moriarity
authors.forename: Francis G
authors.initials: FG
authors.lastname: O'Connor
mesh_terms: D000647:Amnesia / Q000209:etiology; D001265:Athletic Injuries / Q000175:diagnosis*; D001924:Brain Concussion / Q000175:diagnosis*; D006801:Humans; D017410:Practice Guidelines as Topic; D012307:Risk Factors; D012720:Severity of Illness Index; D014474:Unconsciousness / Q000209:etiology