参考文献:10.1097/00002508-200211000-00005 摘要:Wallace MS, Braun J, Schulteis G. Postdelivery of Alfentanil and Ketamine Has No Effect on Intradermal Capsaicin–Induced Pain and Hyperalgesia. The Clinical Journal of Pain. 2002 Nov;18(6):373–9. doi: 10.1097/00002508-200211000-00005.