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Conditioning, Operant
Drug Dose Response Relationship
Reward
Rats
Wistar Rats
Mouse
Excitatory Amino Acid Antagonists
Receptors, N-Methyl-D-Aspartate
Memantine
Narcotic Antagonists
Piperazines
Ethanol
Bufanolides
Russia
Substance Withdrawal Syndrome
Alcoholism
Heroin Dependence
HIV Infections
Self Administration
Animal Behavior
Co-Publications
23
15
9
8
7
6
5
4
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