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Macaca mulatta
Drug Dose Response Relationship
Motivation
Reaction Time
Time Factors
Reinforcement Schedule
Administration, Oral
Self Administration
Methadone
Dopamine Uptake Inhibitors
Narcotic Antagonists
Narcotics
Naloxone
Cocaine
Analgesics, Opioid
Drug Combinations
Ethanol
Opioid-Related Disorders
Alcohol Drinking
Co-Publications
3
2
1
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