Guthrie, Robert Physical activity following acute concussion and persistent postconcussive symptoms in children and adolescents. [electronic resource] - The Physician and sportsmedicine 11 2018 - 416-419 p. digital Publication Type: Journal Article ISSN: 2326-3660 Standard No.: 10.1080/00913847.2018.1516479 doi Subjects--Topical Terms: AdolescentAthletic Injuries--diagnosisBrain Concussion--diagnosisCanadaChildChild, PreschoolExerciseFemaleHumansMalePost-Concussion Syndrome--diagnosisRestRiskSports