1. Age: 2000, census 2000 brief, C2KBR/01-12;Meyer,2001
2. National Hospital Ambulatory Medical Care Survey: 2003 emergency department summary. Advance data from vital and health statistics; no. 358;McCaig,2005
3. The Preventive Health Amendments of 1984, Pub. L. 98-555 § 7, 98 Stat. 2854, 2856 (1984) (codified as amended at 42 U.S.C. § 300w-9).
4. Emergency Medical Services for Children: a report of the institute of medicine,1993
5. Resources for optimal care of the injured patient;American College of Surgeons, Committee on Trauma,1990