title: Hypothalamic substrate for the positive reinforcing properties of morphine in the rat.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D007031:Hypothalamus / Q000187:drug effects* / Q000502:physiology; D008297:Male; D008474:Medial Forebrain Bundle / Q000187:drug effects; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D011301:Preoptic Area / Q000187:drug effects; D051381:Rats; D012054:Reinforcement, Psychology; D012646:Self Administration; D012653:Self Stimulation / Q000187:drug effects* / Q000502:physiology; D012688:Septum Pellucidum / Q000187:drug effects
chemical_list: D009270:Naloxone; D009020:Morphine