Unreported concussion in high school football players.
Garrick
James G
JG
D001265:Athletic Injuries / Q000453:epidemiology*; D001924:Brain Concussion / Q000453:epidemiology*; D005538:Football / Q000293:injuries* / Q000706:statistics & numerical data; D006306:Health Surveys; D006801:Humans; D015995:Prevalence; D020127:Recovery of Function