title: Changing pattern in the treatment of pain and other symptoms in advanced cancer patients.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009294:Narcotics / Q000627:therapeutic use; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000188:drug therapy; D059408:Pain Management
chemical_list: D009294:Narcotics