References
- Thompson DC, Rivara FP, Thompson RS: Effectiveness of bicycle safety helmets in preventing head injuries: a case-control study. JAMA 1996; 276(24): 1968–1973
- Brown JM, Ramsey LC, Weiss AL: Ski helmets: an idea whose time has come. Contemporary Pediatrics 1997; 14(2): 115–125
- American Medical Association Council on Scientific Affairs: CSA report I-I-97: helmets for recreational skiing and other winter sports in children and adolescents. Presented before the AMA House of Delegates, Chicago, December 1997