Canadian Bike Helmet Coalition.
Harrison
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D001642:Bicycling / Q000293:injuries*; D002170:Canada / Q000453:epidemiology; D002648:Child; D003256:Community Participation; D006260:Head Protective Devices / Q000706:statistics & numerical data*; D006265:Health Care Coalitions; D006266:Health Education / Q000458:organization & administration*; D006801:Humans; D009937:Organizational Objectives; D014947:Wounds and Injuries / Q000453:epidemiology / Q000517:prevention & control