2012 Andrew C Ahn Brian J Gow Gow, B. J., Cheng, J. L., Baikie, I. D., Martinsen, Ø. G., Zhao, M., Smith, S., & Ahn, A. C. (2012). Electrical potential of acupuncture points: use of a noncontact scanning Kelvin probe. Evidence-Based Complementary and Alternative Medicine,2012