1. A controlled study of the effect of prednisone on air-flow obstruction in severe pulmonary emphysema;Beerel, F.; Jick, H.; Tyler, J.M.;New England Journal of Medicine,1963
2. Prednisone treatment of stable pulmonary emphysema;Beerel, F.R.; Vance, J.W.;American Review of Respiratory Disease,1971
3. Prediction of response to treatment with corticosteroids and cromoglycate in patients with chronic airways obstruction;Brewis, R.A.L.; Lye, M.D.W.; Dodds, W.R.; R, Appleton D.;Thorax,1974
4. Steroid therapy in chronic bronchitis;Clifton, M.; Stuart-Harris, C.H.;Lancet,1962
5. Lung Function;Cotes, J.E.,1975