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Abstract
Mesh: See more » Accidents, Traffic/prevention & controlAge FactorsAttitudeBehaviorEducationEnvironment DesignHead Protective DevicesHumansRiskWounds and Injuries/prevention & control
Year: 1979 PMID: 760949 PMCID: PMC1597514
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447