1. Intemational trends in hospital admission rates for asthma;Mitchell, E.A.;Arch Dis Child,1985
2. Increased paediatric admissions with asthma in Westem Australia: a problem of diagnosis?;Carman, P.G.; Landau, L.I.;MedjAust,1990
3. Prevalence of asthma in Melboume schoolchildren: changes over 26 years;Robertson, C.F.; Heycock, E.; Bishop, J.; Nolan, T.; Olinsky, A.; Phelan, P.;BMJ,1991
4. Has the prevalence of asthma increased in children? Evidence from the national study of health and growth;Bumey, P.G.J.; Chinn, S.; Rona, R.J.;BMJ,1973
5. Changes in asthma prevalence: two surveys 15 years apart;Burr, M.L.; Butland, B.K.; King, S.; Vaughan-Williams, E.;Arch Dis Child,1989