1. Injury related to chronic disease: international review of premature mortality;Rockett, I.R.H.; Smith, G.S.;Am J Public Health,1987
2. Epidemiology of head injury;Kraus, J.F.,1993
3. 1985 demographic year book: mortality statistics;New York: United Nations,1987
4. Transport statistics Great Britain;Department of Transport,1995
5. Report of Transport Road Accidents Great Britain 1994. The casualty report,1995