title: A comparison of state-specific all-terrain vehicle-related death rates, 1990-1999.
authors.affiliation: Center for Rural Emergency Medicine, West Virginia University, Morgantown 26506-9151, USA. jhelmkamp@hsc.wvu.edu
authors.forename: J C
authors.initials: JC
authors.lastname: Helmkamp
mesh_terms: D000059:Accidents / Q000401:mortality*; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003257:Consumer Product Safety / Q000331:legislation & jurisprudence*; D005260:Female; D006260:Head Protective Devices; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D015541:Off-Road Motor Vehicles / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology