Improved targeting of beclomethasone diproprionate (250 μg metered dose inhaler) to the lungs of asthmatics with the Spacehaler

The Spacehaler™(Evans Medical Ltd, Leatherhead, U.K.) is a new, compact, inhaler device containing the same aerosol canister as a conventional metered dose inhaler (MDI). However, the design of the Spacehaler™has been shown to reduce the velocity of the aerosol, thus reducing the proportion of non-r...

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