1. Equestrian Injuries
2. Horse Industry Directory, 1985. American Horse Council, 1700 K St NW Washington, DC 20006
3. National Electronic Injury Surveillance System, US Consumer Product Safety Commission, 5401 Westbard Ave, Washington, DC 20297
4. Metropolitan Life Insurance Company. Competitive sports and their hazards. Stat Bull Metropol Life Ins Co 1965; 46:1–3