A spinal opioid synapse mediates the interaction of spinal and brain stem sites in morphine analgesia.

Levine JD, Lane SR, Gordon NC, Fields HL. A spinal opioid synapse mediates the interaction of spinal and brain stem sites in morphine analgesia. Brain Res. 1982 Mar 18; 236(1):85-91.

1982
http://profiles.ucsf.edu/profile/83695846
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Levine JD, Lane SR, Gordon NC, Fields HL