A Rationale for Going Back to the Future: Use of Disposable Spacers for Pressurised Metered Dose Inhalers

Table 1

Fine particle dose data (particle size <5 m, mean g standard deviation).

pMDI + spacer device	Fine particle dose
	(mean g standard deviation)
	Optimal use	Suboptimal use
pMDI alone ()
pMDI + DispozABLE Spacer