NHTSA announces "ease of use" child safety seat ratings.
D001336:Automobiles / Q000592:standards; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D015370:Infant Equipment / Q000145:classification* / Q000592:standards; D007231:Infant, Newborn; D011356:Product Labeling / Q000592:standards*; D012449:Safety / Q000592:standards*; D014481:United States; D037041:United States Government Agencies