title: Pharmaceutics: therapy for intractable pain.
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy; D010148:Intractable Pain / Q000188:drug therapy*
chemical_list: D000701:Analgesics, Opioid