title: Drug therapy for severe, chronic pain in terminal illness.
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage*; D006801:Humans; D009369:Neoplasms / Q000503:physiopathology; D009293:Opioid-Related Disorders / Q000453:epidemiology; D010148:Intractable Pain / Q000188:drug therapy* / Q000523:psychology; D012955:Societies, Medical; D013727:Terminal Care; D014481:United States
chemical_list: D000701:Analgesics, Opioid