4Olschewski A, Hempelmann G, Vogel W, et al. Blockade of Na+ and K+ currents by local anesthetics in the dorsal horn neurons of the spinal cord[ J ].Anesthesiology, 1998,88( 1 ):172-179.
5Scholz A, Kuboyama N, Hempelmann G, et al. Complex blockade of TTX-resiatant Na + currents by lidocaine and bupivacaine reduce firing frequency in DRG neurons[J]. J neurophysiol,1998,79 (4):790-795.