1. Increasiig prevalence ot' asthma in children;Mitchell, E.A.;N Z Med.7,1983
2. Increase in hospital admissions for childhood asthma: trends in referral, severitv and readmissions from 1970 to 1985 in a heatlh region of the United Kingdom;Andcrson, H.R.;/t'horax,1989
3. Why arc hospital admission and mortality rates for childhood asthma higher in New Zealand than in the United Kingdom?;Mitchell, E.A.; Anderson, H.R.; Freeling, P.; Pt, White,1990
4. 't'rends in the hospitalisation f'or acutc childhood astltma;Halfots, N.; Newacheck, P.W.,1986
5. 'l'homson P. 'I'he use of medical rccords ill epidemiology: a casc study using asthma hospitalisatioins in New South;Bauntan, A.; Lylic, D.; Taylor, L.,1990