1. Hospital admission rates and the prevalence of asthma symptoms in 20 local authority districts;Burney, P.G.J.; Papacosta, A.O.; Witley, C.H.; Colley, J.R.T.; Holland, W.W.;Thorax,1991
2. Increased prevalence and morbidity of asthma;Burr, M.L.,1992
3. Changes in asthma prevalence: two surveys 15 years apart;Burr, M.L.; Butland, B.K.; King, S.; Vaughan-Williams, JR;Arch Dis Child,1989
4. The principles and practice of medicine;Osler, W.
5. A comparison of the quantitative anatomy of the bronchi in normal subjects, in status asthmatics, in chronic bronchitis and in emphysema;Dunnill, M.S.; Massarella, G.R.; Anderson, J.A.;Thorax