title: Antagonism of mu and kappa opioids: effects on schedule-controlled behavior in pigeons.
authors.affiliation: Department of Psychology, University of North Carolina, Chapel Hill 27599-3270.
authors.forename: S R
authors.initials: SR
authors.lastname: Mattox
authors.forename: M J
authors.initials: MJ
authors.lastname: Picker
authors.forename: L A
authors.initials: LA
authors.lastname: Dykstra
mesh_terms: D000818:Animals; D010856:Columbidae; D003216:Conditioning, Operant / Q000187:drug effects*; D009292:Narcotic Antagonists; D009294:Narcotics / Q000494:pharmacology*; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D012055:Reinforcement Schedule
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu