title: Licking behavior of rats in relation to saccharin concentration and shifts in fixed-ratio reinforcement.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003216:Conditioning, Operant; D005108:Extinction, Psychological; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D013549:Sweetening Agents
chemical_list: D013549:Sweetening Agents