1. Premature death in the United States: years of life loss and health priorities;Perloff;J Public Health Policy,1984
2. Facts of life and death;U.S. Department of Health, Education, Welfare,1984
3. Injury to the head and spinal cord. The epidemoogy relevance of the medical literature published from 1960–1978;Kraus;J Neurosurg,1980
4. Epidemiology of head injuries;Jennett,1980
5. The epidemiology of central nervous system trauma;Annegers,1979