Rapid birth-death evolution specific to xenobiotic cytochrome P450 genes in vertebrates.

PLoS Genet · 2007 · PMC1866355 · PMID 17500592

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hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

A total of five of the 21 tested sets showed highly significant evidence of positive selection.

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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.