The interaction of Se level and Se source had significant effects on liver CAT activity, MDA content and serum T-SOD activity (P<0.05).

硒源和硒水平的交互作用显著影响肝脏CAT活性和MDA含量及血清T-SOD活性（P<0.05）。

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In a release Alinean sent out after the article appeared, entitled "Alinean Research Shows That IT Does Matter, " the firm notes that its research in fact shows no correlation between IT spending per se--at any level--and corporate performance.

CNN: Does IT matter? CEOs and CIOs sound off

But a piece of research just published in the Proceedings of the National Academy of Sciences by Paola Sapienza of Northwestern University, near Chicago, suggests an alternative that it is not a person's sex, per se, that is the basis for discrimination, but the level of his or her testosterone.

ECONOMIST: Women, testosterone and finance