title: Mandatory bicycle helmets?
authors.forename: J M
authors.initials: JM
authors.lastname: Forster
mesh_terms: D001642:Bicycling / Q000293:injuries*; D006259:Craniocerebral Trauma / Q000191:economics* / Q000517:prevention & control; D006260:Head Protective Devices / Q000191:economics; D006801:Humans; D008297:Male