The effectiveness of bicyclist helmets: a study of 1710 casualties.
Thompson
D C
DC
D001642:Bicycling / Q000293:injuries*; D015986:Confounding Factors, Epidemiologic; D006259:Craniocerebral Trauma / Q000453:epidemiology*; D005260:Female; D006260:Head Protective Devices / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D016017:Odds Ratio