title: The role of N-dealkylation of morphine or its surrogates in analgesia and tolerance.
mesh_terms: D000698:Analgesia; D003640:Dealkylation; D004361:Drug Tolerance; D006801:Humans; D009022:Morphine Derivatives; D059408:Pain Management
chemical_list: D009022:Morphine Derivatives
keywords: MORPHINE/related compounds