Epidural opiates for the treatment of cancer pain.
D000368:Aged; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D004824:Epidural Space; D005260:Female; D006801:Humans; D007267:Injections; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D013997:Time Factors
D000701:Analgesics, Opioid; D009020:Morphine