Overall early morning symptom severity was significantly improved from baseline with AB/FF compared with AB (–0.09; P< 0.05; Figure 4C ) and placebo (–0.13; P< 0.001); the improvement versus FF did not reach statistical significance (–0.04; P= 0.317).
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An Evaluation Of Single And Dual Long-Acting Bronchodilator Therapy As Effective Interventions In Maintenance Therapy-Naïve Patients With COPD.
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