1. National Sporting Goods Association. Ten-year history of selected sports participation. Available at: http://www.nsga.org/i4a/pages/index.cfm?pageid=3479. Accessed October 31, 2007.
2. Unpowered scooter-related injuries–United States, 1998–2000;Rutherford;JAMA,2001
3. Injuries in children associated with use of nonpowered scooters;Schalamon;J Pediatr Surg,2003
4. Scooters cause 9500 Injuries in US in 8 months;Josefson;West J Med,2000
5. Motorized scooter use increases and injuries climb [press release]. News From CPSC. Washington, DC: U.S. Consumer Product Safety Commission; August 22, 2001.