Hypoalgesia elicited by a conditioned stimulus is blocked by a mu, but not a delta or a kappa, opioid antagonist injected into the rostral ventromedial medulla.
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| Description | scientific article published in December 1999 |
| Author/s |
author: Fred J Helmstetter |
| Publication date | December 1, 1999 |
| Language | English |
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| Missing/wrong data? | Edit Wikidata item |