4Knudsen K, Beckman SM, Bloondrg S, et al. Central nervous and cardiovascular efects during iv infusion of ropivacnine, bupivacaine and placebo in volunteers [ J ]. Br J Anaesth, 1997,78 (5) : 164-169.
5McClellan K J, Faulds D. Ropivacaine:all update of its use in regional anaesthesia [ J]. Drugs, 2000,60(5 ) : 1065-1093.
6Boseli E, Debon R, Duflo F, et al. Ropivacaine O. 15% plus sufentanil 0.5 microg/ml and ropivacaine 0. 10% plus sufentanil 0.5 mierog/ml are equivalent for patient-controlled epidund analgesia during labor [ J ]. Anesth An Mg, 2003,96 ( 4 ) : 1173 -1177.
7Miller PL, Ernst AA. Sex diferences in an algesia: a randomized trial of mu versus kappa opioid agonists [ J]. South Med J, 2004,97 ( 1 ) :35-41.
8Chu CC, Chen JY, Chea CS, et al. The efficacy and safety of transnasal butorphanol for post operative pain control following lower laparoscopic surgery [ J ]. Acta anaesthesia, Taiwan, 2004,42 (4) : 203 -207.
9Saito M, OKutomi T, Kanai Y. Patient-controlled epidural analgesia during labor using mpivacaine and fentanyl provides better maternal satisfaction with less local anesthetic requirement [ J ]. J Anesth, 2005,19 (3) :808-812.
