title: The effect of GABAergic agents on opiate analgesia.
mesh_terms: D000818:Animals; D004347:Drug Interactions; D004723:Endorphins / Q000494:pharmacology; D007276:Injections, Intraventricular; D007539:Isonicotinic Acids / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009118:Muscimol / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D009539:Nicotinic Acids / Q000494:pharmacology; D009557:Nipecotic Acids / Q000494:pharmacology; D010146:Pain / Q000503:physiopathology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013997:Time Factors; D005680:gamma-Aminobutyric Acid / Q000502:physiology*
chemical_list: D004723:Endorphins; D007539:Isonicotinic Acids; D009294:Narcotics; D009539:Nicotinic Acids; D009557:Nipecotic Acids; D009118:Muscimol; C015910:guvacine; D005680:gamma-Aminobutyric Acid; D009020:Morphine; C015300:isoguvacine