Characterization and virulence clustering analysis of extraintestinal pathogenic Escherichia coli isolated from swine in China.

BMC Vet Res · 2017 · PMC5385051 · PMID 28388949

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an increasing trendno p-value reported

Alongside rapid development of industrial swine husbandry in China, an increasing trend of porcine ExPEC outbreaks has become an urgent problem [ 7 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.