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. 2023 Sep 7;16:961–972. doi: 10.2147/JAA.S422537

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© 2023 Wan et al.

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Alpha and beta diversity of microbiota. (A) Alpha diversity is based the Shannon diversity index and Simpson index. (B) Beta diversity is on measured by Bray-Curtis dissimilarities.

Abbreviation: PCoA, Principal coordinates analysis.