title: Complications of continuous intraspinal narcotic analgesia.
mesh_terms: D000368:Aged; D015360:Analgesia, Epidural / Q000009:adverse effects*; D006801:Humans; D007260:Infusion Pumps / Q000009:adverse effects*; D008297:Male; D009020:Morphine / Q000008:administration & dosage*
chemical_list: D009020:Morphine