title: Comparison between naloxone reversal of morphine and electrical stimulation induced analgesia in the rat mesencephalon.
mesh_terms: D000698:Analgesia; D000818:Animals; D001921:Brain / Q000187:drug effects*; D001931:Brain Mapping; D002535:Cerebral Aqueduct; D004558:Electric Stimulation; D009020:Morphine / Q000037:antagonists & inhibitors*; D009270:Naloxone / Q000494:pharmacology*; D051381:Rats
chemical_list: D009270:Naloxone; D009020:Morphine