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It was reported that substance P (SP) is an excitatory neurotransmitter released from nociceptive primary afferent nerve terminals,and takes a double-effect part in modulation of pain transmission and analgesia in spinal cord.But these
It was reported that substance P (SP) is an excitatory neurotransmitter released from nociceptive primary afferent nerve terminals, and takes a double-effect part in modulation of pain transmission and analgesia in spinal cord. But these