Objective: to study the change of concentration of endothelins (ET) and calcitonin gene related protein (CGRP) in bile in patients with acute cholangitis of severe type (ACST) and its significance.

目的：探讨急性重症胆管炎(ACST)患者胆汁中内皮素(et)及降钙素基因相关肽(CGRP)浓度变化及意义。

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Objective: To investigate the effect of losartan on plasma endothelins (ET) and nitrogen mon oxide (NO) in elderly patients with moderate to severe essential hypertension.

目的：探讨氯沙坦对老年中重度原发性高血压患者内皮素和一氧化氮的影响。

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Objective To investigate the role of Interleukin 8(IL 8)and Endothelins 1(ET 1) in the pathogenesis of Chronic Obstructive Pulmonary Disease (COPD).

目的探讨白细胞介素8（IL 8）和内皮素① （ET 1）在慢性阻塞性肺疾病（COPD）发病机制中的作用。

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