title: Energy expenditure during response-dependent and response-independent food delivery in rats.
mesh_terms: D000818:Animals; D004734:Energy Metabolism; D006339:Heart Rate; D008297:Male; D009043:Motor Activity / Q000502:physiology; D010100:Oxygen / Q000502:physiology; D051381:Rats; D011919:Rats, Inbred Strains; D012055:Reinforcement Schedule
chemical_list: D010100:Oxygen