Objective: To compare the distribution of enkephalin (ENK) in the vocal and auditory nuclei of male Carduelis spinus and Lonchura Striata.

目的：比较脑啡肽（ENK）在雄性黄雀与白腰文鸟发声核团和听觉中枢内的分布差异。

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AIM: To study the host immune surveillance functions by the neuropeptide methionine enkephalin (met-enk).

目的：研究甲硫氨酸脑啡肽对机体免疫监督功能的影响。

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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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