title: Fentanyl and apomorphine: asymmetrical generalization of discriminative stimulus properties.
mesh_terms: D000818:Animals; D001058:Apomorphine / Q000494:pharmacology*; D003463:Cues; D004192:Discrimination, Psychological; D004305:Dose-Response Relationship, Drug; D005283:Fentanyl / Q000494:pharmacology*; D005793:Generalization, Psychological; D006220:Haloperidol / Q000494:pharmacology; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011954:Receptors, Dopamine
chemical_list: D011954:Receptors, Dopamine; D009270:Naloxone; D006220:Haloperidol; D001058:Apomorphine; D005283:Fentanyl