James C. Davis, Norman E. Anderson, Jason G. Ramirez, F. Kayser Enneking, Mark W. Meisel. Finite-Difference Modeling of the Anisotropic Electric Fields Generated by Stimulating Needles Used for Catheter Placement. IEEE Trans. Biomed. Engineering, 54(7):1186-1190, 2007. [doi]
Abstract is missing.