Long term spinal opiate treatment.
D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000009:adverse effects; D002408:Catheters, Indwelling; D006801:Humans; D007260:Infusion Pumps; D007278:Injections, Spinal / Q000009:adverse effects; D008134:Long-Term Care; D009369:Neoplasms / Q000503:physiopathology; D010146:Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid