1. Volume 115, Issue 2, Pages 329-335 (February 1999)
Comparative Efficacy and Safety of Albuterol Sulfate Spiros Inhaler and Albuterol Metered-Dose Inhaler in Asthma 
Nelson Harold , MD, Kemp James P. , MD, FCCP, Bieler Stewart , BA, Vaughan Leigh M. , Pharm D, Hill Malcolm R. , Pharm D 
CHEST 
Volume 115, Issue 2, Pages (February 1999)
DOI: /chest
Copyright © 1999 The American College of Chest Physicians Terms and Conditions

2. Figure 1 The albuterol Spiros Inhalation System with cassette.
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Copyright © 1999 The American College of Chest Physicians Terms and Conditions

3. Figure 2
The mean change from baseline for the FEV1 by treatment group for treatment week 0.
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Copyright © 1999 The American College of Chest Physicians Terms and Conditions

4. Figure 3
The mean change from baseline for the FEV1 by treatment group for treatment week 12.
CHEST  , DOI: ( /chest )
Copyright © 1999 The American College of Chest Physicians Terms and Conditions