References
- McFadden E R. Improper patient techniques with metered dose inhalers: Clinical consequences and solutions to misuse. J Allergy Clin Immunol 1995; 96: 278–283
- Williams D J, Williams A C, Kruchek D G. Problems in assessing contents of metered dose inhalers. Br Med J 1993; 307: 771–772
- Schultz R K. Drug delivery characteristics of metered-dose inhalers. J Allergy Clin Immunol 1995; 96: 284–287
- Newman S P. Metered dose pressurized aerosols and the ozone layer. Eur Respir J 1990; 3: 495–497