1. Centers for Disease Control and Prevention. Web-based Injury Statistics Query and Reporting System (WISQARS). Atlanta, GA: US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Injury Prevention and Control; 2003. Available at: www.cdc.gov/ncipc/wisqars. Accessed February 2, 2006
2. American Academy of Pediatrics, Committee on Injury and Poison Prevention. Office-based counseling for injury prevention. Pediatrics. 1994;94:566–567
3. American Academy of Family Physicians. Summary of Policy Recommendations for Periodic Health Examination. Kansas City, MO: American Academy of Family Physicians; 1997
4. American Medical Association. Guidelines for Adolescent Preventive Services (GAPS). Chicago, IL: American Medical Association; 1994
5. US Preventive Services Task Force. Guide to Clinical Preventive Services. 2nd ed. Baltimore, MD: Williams & Wilkins; 1996