title: Factors regulating drug cue sensitivity: limits of discriminability and the role of a progressively decreasing training dose in fentanyl-saline discrimination.
mesh_terms: D000818:Animals; D003463:Cues; D004193:Discrimination Learning; D004305:Dose-Response Relationship, Drug; D005283:Fentanyl / Q000008:administration & dosage / Q000494:pharmacology*; D005795:Generalization, Stimulus / Q000187:drug effects; D008297:Male; D011287:Prejudice / Q000187:drug effects*; D051381:Rats
chemical_list: D005283:Fentanyl