1. Is the prevalence of asthma changing?;Anderson, H.R.;Arch Dis Child,1983
2. Rising asthma admissions and self referral;Storr, J.; Barrell, E.; Lenney, W.;Arch Dis Child,1988
3. The effect of a single oral dose of prednisolone in acute childhood asthma;Storr, J.; Barry, W.; Barrell, E.; Lenney, W.; Hatcher, G.;Lancet,1987
4. The size of clinical trial. Clinical trials;Pocock, S.J.,1983
5. Viruses as precipitants of asthmatic attacks in children;Minor, T.E.; Dick, E.C.; De Meo, A.N.;JAMA,1974