Epidural narcotic infusion reservoir: implantation technique and efficacy.
D000368:Aged; D002908:Chronic Disease; D004343:Drug Implants; D004824:Epidural Space; D005260:Female; D006801:Humans; D007263:Infusions, Parenteral / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy; D013115:Spinal Canal
D004343:Drug Implants; D009020:Morphine