title: Analgesia induced by microinjection of morphine into, and electrical stimulation of, the nucleus reticularis paragigantocellularis of rat medulla oblongata.
mesh_terms: D000698:Analgesia; D000818:Animals; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D007267:Injections; D008297:Male; D008526:Medulla Oblongata / Q000187:drug effects / Q000502:physiology*; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects
chemical_list: D009020:Morphine