1. Observations on recent increase in mortality from asthma;Speizer, F.E.; Doll, R.; Heaf, P.;Br MedJ
2. Management of severe acute asthma;Editorial;Br Med J,1978
3. Treatment of asthma in general practice;Shee, C.D.; Poole, D.; Cameron, I.R.;Thorax,1980
4. Terminology, definitions and classifications of chronic pulmonary emphysema and related conditions;Symposium, Ciba Foundation Guest;Thorax,1959
5. Medical Research Council. Br Med J 1960;2:1665.