7Neimark M I, Geronimus V Iu. Current approaches to the analgesia of spontaneous child birth[J]. Anesteziol Reanimatol, 2007, (6) : 13 -17.
8Gadsden J, Hart S, Santos A C. Post-cesarean delivery analgesia[J]. Anesth Analg, 2005, 101(5 Suppl): S62 -S69.
9Gottschalk A, Freitag M, Liehr K, et al. Does patient satisfaction correlate with pain level during patient-monitored epidural analgesia. Evaluation of data from postoperative pain service[J]. Schmerz, 2004, 18 (2) : 145 - 150.
10Sitsen E, van-Poorten F, van-Alphen W, et al. Postoperative epidural analgesia after total knee arthroplasty with sufentanil 1 microg/ml combined with roplvacaine 0.2%, roplvaeaine 0. 125%, or ievobupivacaine 0. 125% : a randomized, double-blind comparison [ J ]. Reg Anesth Pain Med, 2007, 32(6) : 475 -480.