title: Interactions of self-stimulation behavior and some humoral factors.
mesh_terms: D000367:Age Factors; D000818:Animals; D001921:Brain / Q000502:physiology*; D003345:Corticosterone / Q000097:blood*; D004558:Electric Stimulation; D007031:Hypothalamus / Q000378:metabolism; D008636:Mesencephalon / Q000378:metabolism; D051381:Rats; D012653:Self Stimulation / Q000502:physiology*; D012701:Serotonin / Q000378:metabolism*; D013687:Telencephalon / Q000502:physiology
chemical_list: D012701:Serotonin; D003345:Corticosterone