1. Health and personal social services statistics for England;I Department of Health and Social Security,1975
2. Health and personal social services statistics for England;Department of Health and Social Security,1985
3. Understanding the growth of emergency department utilisation;Davidson, S.M.;Med Care,1978
4. Survey of casualty departments in Greater;Fairley, J.; Hewett, W.C.;London. Br Med J,1969
5. Effects of medical 'triage' in hospital emergency service;Weinerman, E.R.; Rutzen, SR, Pearson; D.A.;Pub Health Rep,1965