Servadei, F., S. Bastianelli, G. Naccarato, G. Staffa, G. Morganti, and G. Gaist. 1985. Epidemiology and sequelae of head injury in San Marino Republic. Journal of Neurosurgical Sciences 29(4):297–303.

Servadei, F., G. Ciucci, G. Piazza, G. Bianchedi, G. Rebucci, G. Gaist, and F. Taggi. 1988. A prospective clinical and epidemiological study of head injuries in northern Italy: The Comune of Ravenna. Italian Journal of Neurological Sciences 9(5):449–457.

Servadei, F., A. Verlicchi, F. Soldano, B. Zanotti, and S. Piffer. 2002b. Descriptive epidemiology of head injury in Romagna and Trentino. Comparison between two geographically different Italian regions. Neuroepidemiology 21(6):297–304.

Simpson, D., J. D. Antonio, J. B. North, I. T. Ring, B. R. Selecki, and M. F. Sewell. 1981. Fatal injuries of the head and spine: Epidemiological studies in New South Wales and South Australia. Medical Journal of Australia 2(12–13):660–664.

Smith, G. S., A. L. Dannenberg, and P. J. Amoroso. 2000. Hospitalization due to injuries in the military. Evaluation of current data and recommendations on their use for injury prevention. American Journal of Preventive Medicine 18(3 Suppl):41–53.

Sosin, D. M., J. E. Sniezek, and D. J. Thurman. 1996. Incidence of mild and moderate brain injury in the United States, 1991. Brain Injury 10(1):47–54.

Sperry, J. L., L. M. Gentilello, J. P. Minei, R. R. Diaz-Arrastia, R. S. Friese, and S. Shafi. 2006. Waiting for the patient to "sober up": Effect of alcohol intoxication on Glasgow Coma Scale score of brain injured patients. Journal of Trauma-Injury Infection and Critical Care 61(6):1305–1311.

Steudel, W. I., F. Cortbus, and K. Schwerdtfeger. 2005. Epidemiology and prevention of fatal head injuries in Germany—trends and the impact of the reunification. Acta Neurochirurgica 147(3):231–242.

Tate, R., S. McDonald, and J. Lulham. 1998. Incidence of hospital-treated traumatic brain injury in an Australian community. Australia and New Zealand Journal of Public Health 22:419–423.

Teasdale, G., and B. Jennett. 1974. Assessment of coma and impaired consciousness. A practical scale. Lancet 2(7872):81–84.

Teasdale, G. M., L. E. Pettigrew, J. T. Wilson, G. Murray, and B. Jennett. 1998. Analyzing outcome of treatment of severe head injury: A review and update on advancing the use of the Glasgow Outcome Scale. Journal of Neurotrauma 15(8):587–597.

Tennant, A. 2005. Admission to hospital following head injury in England: Incidence and socioeconomic associations. BMC Public Health 5(1):21.

Texas Department of Health. 2004. Traumatic Brain Injury Report 1998 Data Analysis.

Thurman, D., and J. Guerrero. 1999. Trends in hospitalization associated with traumatic brain injury. JAMA 282(10):954–957.

Thurman, D. J., C. Alverson, K. A. Dunn, J. Guerrero, and J. E. Sniezek. 1999. Traumatic brain injury in the United States: A public health perspective. Journal of Head Trauma Rehabilitation 14(6):602–615.

Thurman, D. J., L. Jeppson, C. L. Burnett, D. E. Beaudoin, M. M. Rheinberger, and J. E. Sniezek. 1996. Surveillance of traumatic brain injuries in Utah. Western Journal of Medicine 165(4):192–196.