1. Changing prevalence of asthma in Australian children;BMJ,1994
2. Trends in prevalence and severity of childhood asthma;Anderson, H.R.; Butland, B.K.; Strachan, D.P.;BMJ,1994
3. Has the prevalence ofasthma increased in children? Evidence from the national study of health and growth;Bumey, P.G.J.; Chinn, S.; Rona, R.J.;BMJ,1973
4. Changes in asthma prevalence: two surveys 15 years apart;Burr, M.L.; Butland, B.K.; King, S.; Vaughan-Williams, E.;Arch Dis Child,1989
5. Respiratory symptoms and atopy in Aberdeen schoolchildren: evidence from two surveys 25 years apart;Ninan, T.K.; Russell, G.;BMJ,1992