title: Methadone and intravenous morphine requirements. Treatment of pain due to advanced cancer.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage*; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage*; D009369:Neoplasms / Q000150:complications*; D010148:Intractable Pain / Q000188:drug therapy*; D010166:Palliative Care
chemical_list: D009020:Morphine; D008691:Methadone