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Bronchodilation in response to albuterol in healthy and CF subjects. The percent change in force expiratory flow at 25–75% of FVC (FEF25–75) for each time point (30, 60 and 90-minutes post). CF subjects are represented by white bars and healthy subjects are represented by black bars. The error bars represent the standard error of the mean.
Note:†P < 0.02 baseline.
