6Raquel DO, Marience PR,Wiliam AP. The effects of early or late neurolytic sympathetic plexuc block on the mana- gentnt of abdominal or pelvic cancer pain[J].Pain, 2004,110 (1-2) :400-408.
7Regan JM,Peng P.Neurophysiology of cancer pain[J].cancer control, 2000,7 (2) : 111-119.