1. Poor inhaler technique may be perpetrated by clinical staff;Frew;Practitioner,1984
2. Problems patients have using pressurised aerosol inhalers;Crompton;Eur Respir J,1982
3. Comparison of a breath-actuated inhaler with a standard inhaler and spacer device in asthma;Ali;Med Sci Res,1989
4. Use of a new breath actuated inhaler in children;Mortensen,1989
5. Clinical assessment of a new breath-actuated inhaler;Crompton;Practitioner,1989