title: Oral morphine termed narcotic standard in severe cancer pain.
mesh_terms: D000284:Administration, Oral; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use*; D003692:Delayed-Action Preparations; D005283:Fentanyl / Q000627:therapeutic use; D006801:Humans; D009020:Morphine / Q000008:administration & dosage / Q000627:therapeutic use*; D009369:Neoplasms / Q000503:physiopathology*; D010148:Intractable Pain / Q000188:drug therapy*
chemical_list: D000701:Analgesics, Opioid; D003692:Delayed-Action Preparations; D009020:Morphine; D005283:Fentanyl