title: Ethical and clinical aspects of pain treatment in cancer patients.
mesh_terms: D004992:Ethics, Medical; D006801:Humans; D009020:Morphine / Q000627:therapeutic use; D009369:Neoplasms / Q000150:complications*; D010148:Intractable Pain / Q000628:therapy*; D012306:Risk
chemical_list: D009020:Morphine