title: Influence of 5,6-dihydroxytryptamine on morphine tolerance and physical dependence.
mesh_terms: D000588:Amines / Q000032:analysis; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001921:Brain / Q000378:metabolism; D001923:Brain Chemistry; D002395:Catecholamines / Q000032:analysis; D004361:Drug Tolerance / Q000187:drug effects; D006801:Humans; D007928:Lethal Dose 50; D008297:Male; D051379:Mice; D009020:Morphine / Q000037:antagonists & inhibitors / Q000378:metabolism / Q000494:pharmacology*; D009021:Morphine Dependence; D009270:Naloxone / Q000494:pharmacology; D012701:Serotonin / Q000032:analysis; D013997:Time Factors; D014363:Tryptamines / Q000008:administration & dosage / Q000494:pharmacology* / Q000633:toxicity
chemical_list: D000588:Amines; D002395:Catecholamines; D014363:Tryptamines; D012701:Serotonin; D009270:Naloxone; D009020:Morphine