[Narcotic dependency in patients with cancer pain treated with epidural morphine].
D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage; D009021:Morphine Dependence / Q000523:psychology*; D010148:Intractable Pain / Q000188:drug therapy*; D013274:Stomach Neoplasms / Q000188:drug therapy*
D009020:Morphine