title: Naloxone enhancement of punishment in the rat.
mesh_terms: D000818:Animals; D005260:Female; D005502:Food; D009270:Naloxone / Q000494:pharmacology*; D011678:Punishment; D051381:Rats; D012055:Reinforcement Schedule; D013268:Stimulation, Chemical; D013997:Time Factors
chemical_list: D009270:Naloxone