title: Differing effects of intermittent food delivery on interim behavior in guinea pigs and rats.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant; D004326:Drinking; D004435:Eating; D005508:Food Deprivation; D006168:Guinea Pigs; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule; D013045:Species Specificity