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. 2023 Jan 12;13:626. doi: 10.1038/s41598-023-27586-4

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Beta diversity of microbiota in principal coordinate analysis plot with the weighted UniFrac distance (A), the unweighted UniFrac distance (B) and the Bray–Curtis dissimilarity index (C)^*. ^*Controls (green) and participants with episodic migraine (blue) and chronic migraine (yellow).