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Sprague Dawley Rats
Rats
Drug Dose Response Relationship
Cues
Discrimination Learning
Conditioning, Operant
Stimulus Generalization
Narcotics
Cocaine
Ethanol
Diphenhydramine
Narcotic Antagonists
Doxylamine
Dextromethorphan
Adrenergic Agents
Antitussive Agents
Reinforcement Schedule
Self Administration
Preclinical Drug Evaluations
Substance Withdrawal Syndrome
Co-Publications
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3
2
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