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. 2018 Nov 22;13:3813–3829. doi: 10.2147/COPD.S181246

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© 2018 Cui et al. This work is published and licensed by Dove Medical Press Limited

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Funnel plots illustrating meta-analysis of the total number of patients with one or more exacerbations after treatment with macrolides compared with the control.

Abbreviation: SE, standard error.