Differential tolerance and cross-tolerance to chronic treatment with mu and kappa opioid agonists in the rat.
D000818:Animals; D001143:Arousal / Q000187:drug effects; D001522:Behavior, Animal / Q000187:drug effects*; D001921:Brain / Q000187:drug effects*; D003496:Cyclazocine / Q000031:analogs & derivatives* / Q000494:pharmacology; D004361:Drug Tolerance; D004569:Electroencephalography; D016314:Ethylketocyclazocine; D005071:Evoked Potentials / Q000187:drug effects; D005260:Female; D009020:Morphine / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000187:drug effects*; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D012894:Sleep Stages / Q000187:drug effects
D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D016314:Ethylketocyclazocine; D009020:Morphine; D003496:Cyclazocine