3Ruchi Gupta, Simmerpreet Kaur, Sara Singh, K. S. A comparison of Epidural Butorphanol and Tramadol for Postoperative Analgesia Using CSEA Technique [ J ]. J Anaesthesiol Clin Phannaeol. 2011,27 ( 1 ) : 35 - 38.
5Ayten Saracoglu, Kemal T. Saracoglu, Zeynep Eti. Comparative study of fentanyl and morphine in addition to hyperbaric or isobaric bupiva- caine in combined spinal anaesthesia for caesarean section [ J ]. Arch Med Sci,2011,7(4) :694 -699.
2KODAKA M,JOHANSEN J W,SEBEL P S,et al.The influence of gender on loss of consciousness with sevoflurane or propofo1[J].Anesth Analg,2005,101(2):377-381.
3SLOAN M H,CONARD P F,KARSUNKY P K,et al.Sevoflurane versus isoflurane:induction and recovery characteristics with single breath inhaled inductions of anesthesia[J].Anesth Analg,1996,82(3):528-532.
4COKOMA M,ZHOU WHITE P F.Fast-tracking after outpatient laparo scopy,reasons for failure after propofol,seveflurane,and desflurane anesthesia[J].Anesth Analg,2001,93(1):112-115.
