Head injuries in athletics.
D001265:Athletic Injuries / Q000517:prevention & control*; D001924:Brain Concussion / Q000175:diagnosis; D001930:Brain Injuries / Q000517:prevention & control*; D002508:Cephalometry; D006259:Craniocerebral Trauma / Q000175:diagnosis / Q000517:prevention & control*; D006260:Head Protective Devices / Q000592:standards; D006801:Humans; D019838:Neck Injuries; D013178:Sports Medicine