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. 2013 Apr 29;50(6):658–663. doi: 10.3109/02770903.2013.789056

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© 2013 Informa Healthcare USA, Inc.

This is an open-access article distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the source is credited.

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Figure 2.— — Integrated dose counter on a metered-dose inhaler. Shown here is a ProAir^® metered-dose inhaler (manufactured by Teva Pharmaceutical Industries, Ltd., Horsham, PA).