1. 1) Fitzgibbon DR：〔Pain in malignant diseases〕Cancer pain：management, Bonica’s Management of Pain, 3rd ed. Edited by Loeser JD, et al. Lippincott Williams & Wilkins, Philadelphia, 2001, 659-703
2. 2) Hattori S：Spinal analgesia and neurolysis, Textbook of Palliative Medicine and Supportive Care, 2nd ed. Edited by Bruera E, et al. CRC Press, Florida, 2015, 449-460
3. 3) Burton AW, Rajagopal A, Shah HN, et al.：Epidural and intrathecal analgesia is effective in treating refractory cancer pain. Pain Med 5：239-247, 2004
4. 4) Lordon SP：Interventional approach to cancer pain. Curr Pain Headache Rep 6：202-206, 2002