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Inbred F344 Rats
Rats
Self Administration
Injections, Spinal
Infusions, Intravenous
Heroin
Analgesics, Opioid
Naltrexone
Cocaine
Enkephalin, Ala(2)-MePhe(4)-Gly(5)-
Narcotic Antagonists
mu Opioid Receptors
Morphine
Guanosine 5'-O-(3-Thiotriphosphate)
Drug Dose Response Relationship
Nucleus Accumbens
Brain
Spinal Nerves
Conditioning, Operant
Animal Behavior
Co-Publications
16
8
7
6
5
4
3
2
1
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