title: Studies on the antinociceptive activities of mixtures of mu- and kappa-opiate receptor agonists and antagonists.
mesh_terms: D000700:Analgesics / Q000008:administration & dosage*; D000818:Animals; D004338:Drug Combinations; D008297:Male; D051379:Mice; D009619:Nociceptors / Q000187:drug effects; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu
chemical_list: D000700:Analgesics; D004338:Drug Combinations; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu