title: Activities of narcotic and narcotic-antagonist analgesics following the intraventricular injection of various substances.
mesh_terms: D000818:Animals; D002552:Cerebral Ventricles; D004298:Dopamine / Q000494:pharmacology; D004357:Drug Synergism; D007267:Injections; D008297:Male; D051379:Mice; D009020:Morphine / Q000037:antagonists & inhibitors; D009269:Nalorphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000008:administration & dosage / Q000494:pharmacology*; D009294:Narcotics / Q000008:administration & dosage / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D010830:Physostigmine / Q000494:pharmacology; D012701:Serotonin / Q000494:pharmacology
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D012701:Serotonin; D009020:Morphine; D010830:Physostigmine; D009269:Nalorphine; D004298:Dopamine; D009638:Norepinephrine