title: Opiate agonist-antagonist effects on Renshaw cells and spinal interneurones.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002415:Cats; D007395:Interneurons / Q000187:drug effects*; D007981:Levorphanol / Q000494:pharmacology*; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D011950:Receptors, Cholinergic / Q000187:drug effects; D013116:Spinal Cord / Q000166:cytology / Q000187:drug effects*
chemical_list: D009019:Morphinans; D011950:Receptors, Cholinergic; D007981:Levorphanol; D009270:Naloxone; D009020:Morphine; D000109:Acetylcholine