Substance P(SP)has been considered as an importment mediator for Pain signaling.

物质被认为是传递痛信息的重要神经递质或调质。

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Objective To observe the effect of stellate ganglion block(SGB) on the content of substance P (SP) in the plasma, for analysing its mechanism of pain relief.

目的：观察星状神经节阻滞（SGB）对福尔马林致痛兔血浆P物质（SP）含量的影响，并探讨其治疗疼痛的可能机制。

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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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