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3. Aerosol beclomethasone dipropionate in chronic bronchial asthma;Gaddie, J.; Petrie, G.R.; Reid, I.W.;Lancet,1973
4. Doubleblind trial comparing two dosage schedules of beclomethasone dipropionate aerosol in the treatment of chronic bronchial asthma;Cayton, R.M.; Soutar, C.A.; Stanford, C.F.;Lancet,1974
5. British Thoracic and Tuberculosis Association. A controlled trial of inhaled corticosteroids in patients receiving prednisone tablets for asthma;Br J Dis Chest,1976