The NO content and total NOS activity in the aging and medicine group were higher than those in the aging group(P< 0.05), while there was no significant difference in inducible NOS activity.

老龄用药组一氧化氮量及总一氧化氮合酶活性均高于老龄组（P<0.05），诱导型一氧化氮合酶活性差异无显著性（P>0.05）。

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