title: Bilateral electroencephalographic response and unilateral tolerance to unilateral intracerebral morphine injections.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000679:Amygdala / Q000187:drug effects* / Q000502:physiology; D000818:Animals; D004361:Drug Tolerance; D007839:Functional Laterality; D007981:Levorphanol / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D051381:Rats
chemical_list: D007981:Levorphanol; D009270:Naloxone; D009020:Morphine