title: Re: helmets not helpful--an example of poor public policy.
authors.forename: Tony
authors.initials: T
authors.lastname: Sara
mesh_terms: D000293:Adolescent; D001315:Australia / Q000453:epidemiology; D001642:Bicycling / Q000331:legislation & jurisprudence*; D001930:Brain Injuries / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D002648:Child; D004869:Equipment Safety; D006260:Head Protective Devices / Q000706:statistics & numerical data*; D006801:Humans; D009517:New South Wales / Q000453:epidemiology; D015397:Program Evaluation / Q000379:methods; D011640:Public Policy; D015203:Reproducibility of Results; D018570:Risk Assessment