Impact of the repeal of the Kansas Mandatory Motorcycle Helmet Law, 1975 to 1978: an executive summary.
D000063:Accidents, Traffic / Q000191:economics; D003365:Costs and Cost Analysis; D004636:Emergency Service, Hospital / Q000191:economics*; D006260:Head Protective Devices; D006801:Humans; D007615:Kansas; D007878:Legislation as Topic; D011482:Protective Devices; D013223:Statistics as Topic; D014947:Wounds and Injuries / Q000191:economics