For the proportion of patients achieving ≥12% improvement in FEV 1 , none of the pairwise comparisons between any of the GFF MDI doses and GP MDI 36 μg were nominally significant ( Table 2 ).
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Efficacy and safety of four doses of glycopyrrolate/formoterol fumarate delivered via a metered dose inhaler compared with the monocomponents in patients with moderate-to-severe COPD.
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