4Jost L, Roila F. Management of cancer pain: ESMO clinical recommendations [J]. Annals of Oneology,2009, 20(suppl 4) : ivl70 - iv173.
5Trescot A M, Helm S, Hansen H, et al. Opioids in the management of chronic non- cancer pain: an up- date of American Society of the Interventional Pain Physicians'(ASIPP) Guidelines[J]. Pain physician, 2008, 11(2 Suppl): $5-$62.
6Barrera - Chac6n J M, M6ndez - Sucirez J L, Jduregui - Abrisqueta M L, et al. Oxycodone improves pain control and quality of life in anticonvulsant- pretrea- ted spinal cord - injured patients with neuropathic pain[J]. Spinal Cord,2011,49(1) :36 - 42.
7Riley J, Ross J R, Rutter D, et al. No pain relief from morphine? [J]. Supportive care in cancer, 2006, 14 (1) :56 - 64.
8Lugo R A,Kern S E. The pharmacokinetics of oxyc- odone[J]. Journal of Pain and Palliative Care Phar- macotherapy,2005,18 (4) : 17 - 30.
9Gaveriaux- Ruff C, Kieffer B L. Opioid receptor genes inactivated in mice: the highlights [J], Neu ropeptides,2002,36(2) :62- 71.