title: Impact of motorcycle helmets and state laws on society's burden: a national study.
authors.forename: Amos O
authors.initials: AO
authors.lastname: Adeleye
mesh_terms: D000063:Accidents, Traffic / Q000331:legislation & jurisprudence* / Q000401:mortality / Q000706:statistics & numerical data*; D006259:Craniocerebral Trauma / Q000401:mortality*; D015600:Glasgow Coma Scale; D006260:Head Protective Devices / Q000706:statistics & numerical data*; D017052:Hospital Mortality; D006801:Humans; D015601:Injury Severity Score; D009049:Motorcycles / Q000331:legislation & jurisprudence*; D009549:Nigeria / Q000453:epidemiology; D012042:Registries; D014481:United States / Q000453:epidemiology