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. 2015 Oct 9;5:14843. doi: 10.1038/srep14843

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Hierarchically clustered heatmap showing the Spearman’s rank sum correlation between the identified urinary metabolites. 2-HIB: 2-hydroxyisobutyrate, 3-AIB: 3-aminoisobutyrate, 3-HIV: 3-hydroxyisovalerate, 3-IS: 3-indoxyl sulfate, 4-HPA: 4-hydroxyphenylacetate, DMA: dimethylamine, PAG: phenylacetylglutamine, p-CS: p-cresol sulfate, Pro-Bet: proline betaine.