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Siddiqui, Mohd Kashif, Pragya Shukla, Martin Jenkins, Mario Ouwens, Deniz Guranlioglu, Patrick Darken, i Mousumi Biswas. "Systematic Review and Network Meta-analysis of the Efficacy and Safety of Glycopyrrolate/formoterol Fumarate Metered Dose Inhaler in Comparison With Other Long-acting Muscarinic Antagonist/long-acting β(2)-agonist Fixed-dose Combinations in COPD." Ther Adv Respir Dis 2019.

Siddiqui, Mohd Kashif, et al. "Systematic Review and Network Meta-analysis of the Efficacy and Safety of Glycopyrrolate/formoterol Fumarate Metered Dose Inhaler in Comparison With Other Long-acting Muscarinic Antagonist/long-acting β(2)-agonist Fixed-dose Combinations in COPD." Ther Adv Respir Dis 2019.