1. TBI to congress: Traumatic Brain Injury in the United States—A Report to Congress. Available at: http://www.cdc.gov/doc.do?id=0900f3ec8001011c. Accessed February 29, 2004.
2. Assessment of coma and impaired consciousness: a practical scale;Teasdale;Lancet,1974
3. Advanced Trauma Life Support Manual;American College of Surgeons Committee on Trauma,1997
4. Aspects of coma after severe head injury;Jennett;Lancet,1977
5. Severe head injuries in three countries;Jennett;J Neurol Neurosurg Psychiatry,1977