title: Effects of naloxone on schedule-controlled behavior in morphine-maintained pigeons.
mesh_terms: D000818:Animals; D010856:Columbidae; D003216:Conditioning, Operant / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008297:Male; D009021:Morphine Dependence / Q000523:psychology*; D009270:Naloxone / Q000494:pharmacology*; D012055:Reinforcement Schedule
chemical_list: D009270:Naloxone