1. Ten Leading Causes of Death, United States. 1999;National Vital Statistics System,1999
2. Traumatic Brain Injury in the United States: A Report to Congress;National Center for Injury Prevention and Control,1999
3. Brain injuries among infants, children, adolescents and young adults;Kraus;Am J Dis Child,1990
4. 2000 National Hospital Ambulatory Medical Care Survey, Emergency Department File 2002 [on CD-ROM];Centers for Disease Control and Prevention,2002