1. Deposition of pressurised suspension aerosols inhaled through extension devices;Newman, S.P.; Moren, F.; Pavia, D.; Little, F.; Clarke, S.W.;Am Rev Respir Dis,1981
2. Particle size of beclomethasone dipropionate produced by two nebulisers and two spacer devices;O'Callaghan, C.;Thorax,1990
3. Do large volume spacer devices reduce the systemic effects of high dose inhaled corticosteroids?;Brown, H.P.; Blundell, G.; Greening, A.P.; Crompton, G.K.;Thorax,1990
4. Morning serum cortisol concentration after 2 mg inhaled beclomethasone dipropionate in normal subjects: effect of a 750 ml spacing device;Farrer, M.; Francis, A.J.; Pearce, S.J.;Thorax,1990
5. Variation in delivery of isoprenaline from various pressurised inhalers;Bell, J.H.; Brown, K.; Glasby, J.;J Pharm (Suppl),1973