National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Author corporate affiliation: National Highway Traffic Safety Administration, Washington, D.C.Author corporate affiliation: Johns Hopkins University, School of Public Health, Center for Injury Research and Policy, Baltimore, Md.December 2001Includes bibliographical references (p. 25-27)Subject code: JNBSubject code: JSubject code: WTPSubject code: EODSubject code: EOESubject code: YCDRSubject code: PDDSSubject code: SBEGSubject code: PD
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corp...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corp...
Mode of access: Internet.COP: 2COP: 3Author corporate affiliation: Boston University, Mass.Author co...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
Transportation Department, Washington, D.C.National Highway Traffic Safety Administration, Washingto...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C....
National Highway Traffic Safety Association, Office of Statistics and Analysis, Washington, D.C.Mode...
National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C....
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
National Highway Traffic Safety Administration, National Center for Statistics and Analysis, Washing...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corp...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corp...
Mode of access: Internet.COP: 2COP: 3Author corporate affiliation: Boston University, Mass.Author co...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
Transportation Department, Washington, D.C.National Highway Traffic Safety Administration, Washingto...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C....
National Highway Traffic Safety Association, Office of Statistics and Analysis, Washington, D.C.Mode...
National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C....
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...
National Highway Traffic Safety Administration, National Center for Statistics and Analysis, Washing...
Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliatio...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.COP: 2Autho...
National Highway Traffic Safety Administration, Washington, D.C.Mode of access: Internet.Author corp...
Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administratio...