title: The effect of narcotic analgesics and their antagonists on conditioned avoidance in the rat.
mesh_terms: D006916:5-Hydroxytryptophan / Q000494:pharmacology; D000701:Analgesics, Opioid / Q000494:pharmacology*; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D004338:Drug Combinations; D010134:Fenclonine / Q000494:pharmacology; D008238:Lysergic Acid Diethylamide / Q000494:pharmacology; D008297:Male; D009292:Narcotic Antagonists / Q000494:pharmacology*; D051381:Rats; D012701:Serotonin / Q000378:metabolism; D014149:Tranquilizing Agents / Q000494:pharmacology; D014364:Tryptophan / Q000031:analogs & derivatives / Q000494:pharmacology
chemical_list: D000701:Analgesics, Opioid; D004338:Drug Combinations; D009292:Narcotic Antagonists; D014149:Tranquilizing Agents; D012701:Serotonin; D014364:Tryptophan; D008238:Lysergic Acid Diethylamide; D006916:5-Hydroxytryptophan; D010134:Fenclonine