2Tsui BC ,Armstrong K. Can direct spinal cord injury occur without paresthesia? A report of delayed spinal cord injury after epidural placement in an awake patient, Anesth Analg,2005,101 (4):1212-1214.
3Stamer U M,Wiese R,Stuber F,et al.Change in anaesthetic practice for Caesarean section in Germany[J].Acta Anaesthesiol Scand,2005,49(2):170-176.
4Bjornestad E,Iversen O E,Raeder J.The impact of increasing the use of regional anaesthesia for emergency caesarean section[J].Eur J Anaesthesiol,2004,21(10):776-780.
