1. Therapeutic uses of lung aerosols;Smith,1996
2. C. Winneps, DPIs in the ascent—changes in the market, Management Forum Conference on Recent Developments in Dry Powder inhalers, London, 2003.
3. Inhalationspulver—Neuere Entwicklungen bei Pulverinhalatoren;Steckel;PZ Prisma,2003
4. Pulmonary absorption of peptides and proteins;Wall;Drug Deliv.,1995
5. The use of different grades of lactose as a carrier for aerosolised salbutamol sulphate;Lahrib;Int. J. Pharm.,1999