1. Combined therapy with salbutamol and beclomethasone inhalers in chronic asthma;Clark;Lancet,1978
2. Pharmacokinetics of inhaled substances;Davies;Postgrad. med. J.,1975
3. Asthma;Empey;Br. med. J.,1978
4. The importance of patient education in the use of inhaled steroids;Gregg,1980
5. Long term treatment of asthma with beclomethasone dipropionate;Kennedy;Postgrad. med. J.,1975