J Worrell. Show Affiliations »
Abstract
Mesh: See more » Accidents, Traffic/prevention & controlBicyclingChildHealth EducationHumansSports
Year: 1987 PMID: 3113554 PMCID: PMC1246749 DOI: 10.1136/bmj.294.6587.1614-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623