Comparative Effectiveness and Safety of Different Types of Inhaled Long-Acting β2-Agonist Plus Inhaled Long-Acting Muscarinic Antagonist vs Inhaled Long-Acting β2-Agonist Plus Inhaled Corticosteroid Fixed-Dose Combinations in COPD A Propensity Score-Inverse Probability of Treatment Weighting Cohort Study.
Chest. 2021 Oct;160(4):1255-1270. doi: 10.1016/j.chest.2021.05.025. Epub 2021 May 21.
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PMID: 34023320