Widespread sex differences in gene expression and splicing in the adult human brain.

Nat Commun · 2013 · PMC3868224 · PMID 24264146

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might not be significantno p-value reported

We also investigated the value of integrating data across the different brain regions based on the idea that small yet consistent differences in gene expression may exist between male and female brain samples and while such differences might not be significant in a single brain region they might be detected when all samples are considered together.

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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.