title: Naloxone as a negative reinforcer in rhesus monkeys: effects of dose, schedule, and narcotic regimen.
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects; D001522:Behavior, Animal / Q000187:drug effects; D004334:Drug Administration Schedule; D005502:Food; D000882:Haplorhini; D008253:Macaca mulatta; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology; D009270:Naloxone / Q000008:administration & dosage / Q000494:pharmacology*; D011678:Punishment; D012055:Reinforcement Schedule; D013997:Time Factors
chemical_list: D009270:Naloxone; D009020:Morphine