Worldwide Phylogenetic Group Patterns of <i>Escherichia coli</i> from Commensal Human and Wastewater Treatment Plant Isolates.

Front Microbiol · 2017 · PMC5742620 · PMID 29312213

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highly significantno p-value reported

Furthermore, the chi-square score was equal to 265.42 (degrees of freedom = 20), which was highly significant (well below alpha 0.01), suggesting geographic location might be a factor in phylogroup distribution.

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