Plasma and gastric juice substance P (SP), vasoactive intestinal peptide (VIP) and leu-enkephalin (LEK) were measured by radioimmunoassay kit.

血浆和胃液物质P（sP）、血管活性肠肽（VIP）和亮脑啡肽（LEK）均用放射免疫法测定。

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Objective: To explore the leu-enkephalin (L-ENK) levels in the plasma and CSF of patients with cerebral hemorrhage, and the effect of naloxone on the levels.

目的：探讨脑出血患者血浆和脑脊液中亮氨酸脑啡肽(L -ENK)的含量变化以及纳络酮对其影响。

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Objective To investigate the effect of conditioned taste aversion (CTA) acquisition and retention on the expression of endogenous leu-enkephalin (LEK) in rats.

目的观察条件性味觉厌恶学习(CTA)对亮脑啡肽(LEK)表达的影响。

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Objective To investigate the effect of conditioned taste aversion (CTA) acquisition and retention on the expression of endogenous leu-enkephalin (LEK) in rats.

目的观察条件性味觉厌恶学习(CTA)对亮脑啡肽(LEK)表达的影响。

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