title: Influence of clonidine on the acute tolerance pattern to morphine induced analgesia and sensitivity changes in mice.
mesh_terms: D000700:Analgesics; D000818:Animals; D003000:Clonidine / Q000494:pharmacology*; D004347:Drug Interactions; D004361:Drug Tolerance; D008297:Male; D051379:Mice; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects
chemical_list: D000700:Analgesics; D009020:Morphine; D003000:Clonidine