1. US Department of Transportation National Highway Traffic Safety Administration National Center for Statistics and Analysis: Traffic Safety Facts 1997. Washington, DC: US Department of Transportation.
2. Systematic Reviews of Strategies to Prevent Motor Vehicle Injuries, January 1999 (publication No. 099-5928);Centers for Disease Control and Prevention,1999
3. Presidential Initiative for Increasing Seat Belt Use Nationwide—Recommendations from the Secretary of Transportation; DOT publication No. (HS) 808-576;US Department of Transportation National Highway Traffic Safety Administration,1997
4. the Economic Cost of Motor Vehicle Crashes;US Department of Transportation National Highway Traffic Safety Administration,1994
5. Injury control—A primer for physicians;Martinez;Ann Emerg Med,1990