Helmet laws and health.
Robinson
D
D
University of New England, Armidale, NSW, Australia.
Acton
C
C
D001315:Australia; D001642:Bicycling / Q000293:injuries* / Q000331:legislation & jurisprudence*; D006259:Craniocerebral Trauma / Q000517:prevention & control*; D006260:Head Protective Devices; D006304:Health Status; D006801:Humans