title: Campaigns focus on helmets as safety experts warn bicycle riders to use--and preserve--heads.
authors.forename: M F
authors.initials: MF
authors.lastname: Goldsmith
mesh_terms: D000056:Accident Prevention; D001642:Bicycling / Q000293:injuries*; D006259:Craniocerebral Trauma / Q000517:prevention & control*; D006260:Head Protective Devices; D006801:Humans; D014481:United States