1. Has the prevalence of asthma increased in children? Evidence from the national study of health and growth;Burney, P.G.J.; Chinn, S.; Rona, R.J.;BMJ,1973
2. General practice audit of the care of children with asthma;Usherwood, T.P.; Barber, J.H.;BMJ,1985
3. Differences in hospital asthma management;Bucknall, C.E.; Robertson, C.; Moran, F.; Stevenson, R.D.;Lancet,1988
4. Sport and the asthmatic child: a study of exercise-induced asthma and the resultant handicap;Coughlin, S.P.;J R CoU Gen Pract,1988
5. Difficult asthma;Barnes, P.J.; Chung, K.F.;BMJ,1989