Bike safety.
Coffman
S
S
Sierra Health Services, Las Vegas, Nev., USA.
D001642:Bicycling / Q000293:injuries*; D002648:Child; D002669:Child Welfare; D006260:Head Protective Devices; D006801:Humans; D009862:Online Systems; D010506:Periodicals as Topic; D014947:Wounds and Injuries / Q000453:epidemiology / Q000209:etiology* / Q000517:prevention & control*; D014956:Writing