Endothelin (ET-1) is a potent vasoactive peptide that is synthesized and released by the vascular endothelium and is a marker of endothelial function.

内皮素-1是重要的血管活性肽，由血管内皮细胞合成及释放，是内皮细胞功能的一个标志。

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Conclusion: Zisujian can significantly improve the content of NO of model rats with chronic bronchitis, and reduce the content of ET-1.

结论：“紫苏煎”可显著提高慢性支气管炎模型大鼠的NO含量，降低ET - 1的含量。

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The maximal ET-1 level correlated positively with the duration of CPB.

峰值ET-1水平与体外循环时间呈正相关。

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This article presents a methodological critique of the study carried out by Robinson et al (1).

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