title: The effects of fenfluramine on fixed ratio responding.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D003216:Conditioning, Operant; D005260:Female; D005277:Fenfluramine / Q000008:administration & dosage / Q000494:pharmacology*; D007274:Injections, Intraperitoneal; D051381:Rats; D012054:Reinforcement, Psychology / Q000187:drug effects*
chemical_list: D005277:Fenfluramine