title: Investigations on drug produced and subjectively experienced discriminative stimuli. I. The fentanyl cue, a tool to investigate subjectively experience narcotic drug actions.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects*; D003916:Dextromoramide / Q000494:pharmacology; D004193:Discrimination Learning / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D005283:Fentanyl / Q000494:pharmacology*; D006220:Haloperidol / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D010638:Phenoperidine / Q000494:pharmacology; D051381:Rats; D013997:Time Factors
chemical_list: D009294:Narcotics; D009020:Morphine; D003916:Dextromoramide; D010638:Phenoperidine; D006220:Haloperidol; D005283:Fentanyl