1van Kleef JW,Veering BT,Burm AG.Spinal anesthesia with ropivacaine:a double-blind study on the efficacy and safety of 0.5% and 0.75% solutions in patients undergoing minor lower limb surgery.Anesth Analg,1994,78(6):1125.
2Wahedi W,Nolte H,Klein P.[Ropivacaine for spinal anesthesia.A dose-finding study].Anesthesist,1996,45(8):737.
3Gautier PE,De Kock M,van Steenberge A et al.Intrathecal ropiva caine for ambulatory surgery.Anesthesiology,1999,91(5):1239.
4McDonald SB,Liu SS,Kopacz DJ et al.Hyperbaric spinal ropivacaine:a comparison to bupivacaine in volunteers.Anesthesiology,1999,90:971.
5Wong JO,Tan TD,Leung PO et al.Spinal anesthesia with two differ ent dosage of 0.75% glucose-free ropivacaine:a comparison of efficacy and safety in Chinese parturients undergoing cesarean section.Acta Anaesthesiol Sin.2003 ;41(3):131.
6Kallio H,Snall EV,Kero MP et al.A comparison of intrathecal plain solutions containing ropivacaine 20 or 15mg versus bupivacaine 10mg.Anesth Analg,2004,99(3):713.