title: The dissociation of the antinociceptive effect of clonidine from supraspinal structures.
mesh_terms: D000700:Analgesics; D000818:Animals; D003000:Clonidine / Q000494:pharmacology*; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D011930:Reaction Time / Q000187:drug effects; D013116:Spinal Cord / Q000502:physiology*; D013997:Time Factors
chemical_list: D000700:Analgesics; D009020:Morphine; D003000:Clonidine