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Fig. 1 | Respiratory Research

Fig. 1

From: Efficacy and safety profile of mucolytic/antioxidant agents in chronic obstructive pulmonary disease: a comparative analysis across erdosteine, carbocysteine, and N-acetylcysteine

Fig. 1

PRISMA flow diagram for the identification of studies included in the meta-analysis (a) and diagram displaying the network across the treatments; the links between nodes indicate the direct comparisons between pairs of treatments; the numbers shown along the link lines indicate the number of patients comparing pairs of treatments head-to-head (b)

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