RETRACTED: Comparison of efficacy and side effects of Fixed-dose combination of Aclidinium/Formoterol and Monotherapy of Aclidinium or Formoterol in COPD: A meta-analysis

Heart Lung. 2022 Jan-Feb:51:25-31. doi: 10.1016/j.hrtlng.2021.07.005. Epub 2021 Oct 29.

Abstract

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