1. Asthma deaths in the United;Stableforth, D.E.
2. Asthma: scope for prevention;Wareham, N.; Hyndman, S.; Williams, R.,1993
3. Measuring the quality of medical care;Rutstein, D.D.; Berenberg, W.; Chalmers, T.C.; Child, C.G.; Fishman, A.P.; Perrin, E.B.;N Engl J Med,1976
4. British Thoracic Society. Deaths from asthma in two regions of England;BMJ,1982
5. Report on the East Anglian region confidential enquiry into asthma deaths 1993;Badminton, R.M.; Clayton, M.; Harrison, B.D.W.; Mildenhall, S.; Mohan, G.; Ward, L.,1993