title: Helmets for preventing head and facial injuries in bicyclists.
authors.forename: D C
authors.initials: DC
authors.lastname: Thompson
authors.forename: F P
authors.initials: FP
authors.lastname: Rivara
authors.forename: R
authors.initials: R
authors.lastname: Thompson
mesh_terms: D001642:Bicycling / Q000293:injuries*; D006259:Craniocerebral Trauma / Q000517:prevention & control*; D005151:Facial Injuries / Q000517:prevention & control*; D006260:Head Protective Devices; D006801:Humans; D016032:Randomized Controlled Trials as Topic