1. Amherst Process Instruments Inc. (1991) The Aerosizer User Manual, Software Version 5.01. Hadley, Massachusetts, U.S.A.
2. Calibration of Andersen Mk-II cascade impactors—procedure and traceability analysis;Ball,1995
3. The Electronic Lung—a novel tool for the characterisation of inhalation devices;Brindley;J. Pharm. Pharmacol.,1993
4. The characterisation of inhalation devices by an inhalation simulator;Brindley;The Electronic Lung. J. Aerosol Med.,1994
5. Design, manufacture and dose consistency of the Serevent Diskus Inhaler;Brindley;Pharm. Technol. Eur.,1995