31. Laplace Plane Analysis of Transient Impedance Between Acupuncture Points Li-4 and Li-12. M. Reichmanis, A.A. Marino and R.O. Becker. IEEE Trans. Biomed. Eng. BME-24:402-405, 1977.

AC impedance between two acupuncture points (Li-4 and Li-12) and two pairs of anatom- ically similar points with the same separation was studied via Laplace plane analysis of the time domain current response to a predetermined voltage perturbation. The series resistance between the two acupuncture points was found to be significantly lower than between either pair of control points. The characteristic impedance of an equivalent transmission line was lower and the signal propagation velocity higher for the acupuncture point system as compared to both controls.