1. Palliative medicine update: neuropathic pain.;Billings;J Pall Care,1994
2. US Department of Health and Human Services. Management of cancer pain: clinical practice guidelines. US Department of Health and Human Services, AHCPR publication 94-0592; March 1994.
3. Pharmacotherapy of Neuropathic Pain
4. Neuropathic pain in cancer patients: Mechanisms, syndromes, and clinical controversies
5. Portenoy RK . Adjuvant analgesics in pain management. In: Doyle D Hanks GWC MacDonald N , eds. Oxford Textbook of Palliative Medicine. 2nd ed. New York, NY: Oxford University Press Inc; 1998:361 90.