title: [THE SITES OF ACTION OF MORPHINE AND THE ANTAGONISTIC ACTION OF LEVALLORPHAN ON THE CENTRAL NERVOUS SYSTEM OF THE DOG].
mesh_terms: D001921:Brain / Q000502:physiology*; D002490:Central Nervous System; D004285:Dogs; D004594:Electrophysiology; D007977:Levallorphan; D009020:Morphine; D010600:Pharmacology; D012106:Research
chemical_list: D007977:Levallorphan; D009020:Morphine
keywords: BRAIN ELECTROPHYSIOLOGY; CENTRAL NERVOUS SYSTEM; DOGS; EXPERIMENTAL LAB STUDY; LEVALLORPHAN; MORPHINE; PHARMACOLOGY