2Akerman B, Hellberg IB, Trossvik C. Primary evaluation of the local anaesthetic properties of the amino amide agent ropivacaine [J]. Acta Anaesthesiol Scand, 1988, 32 (1): 571-578.
3McClellan K J, Fanlds D. Ropivacaine : an update of its use in regional anesthesia [J ]. Drugs, 2000,60 (5) :1065-1093.