title: Involvement of cyclic AMP and prostaglandins in morphine analgesia, tolerance and physical dependence.
mesh_terms: D000698:Analgesia; D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism / Q000502:physiology*; D004361:Drug Tolerance; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence / Q000378:metabolism / Q000503:physiopathology*; D011453:Prostaglandins / Q000378:metabolism / Q000502:physiology*; D011458:Prostaglandins E / Q000502:physiology
chemical_list: D011453:Prostaglandins; D011458:Prostaglandins E; D009020:Morphine; D000242:Cyclic AMP