National Highway Traffic Safety Administration (NHTSA) Notes. Not enough children ages four through eight using booster seats.
D000063:Accidents, Traffic / Q000517:prevention & control*; D001334:Automobile Driving / Q000592:standards / Q000706:statistics & numerical data*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D011482:Protective Devices / Q000706:statistics & numerical data*; D014481:United States