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Beta diversity of subjects grouped by CMC status. (A–C) depict beta-diversity of gut microbiota according to Bray–Curtis (BC) distance via principal coordinates analysis (PCoA) method. (A) Phylum, (B) Genus, (C) Species. Data were normalized via the TSS method, PERMANOVA (Permutational ANOVA) test was applied to detect the difference significance in the two groups and #P < 0.1 or *P < 0.05.
