Khlopets’ka, Larysa I, Nataliya L Horkovenko, and Walery Zukow. 2017. “Electrical Conductivity of Some Points of Acupuncture Correlates With Age, Blood Pressure and Heart Rate Variability”. Journal of Education, Health and Sport 7 (12):94-103. https://apcz.umk.pl/JEHS/article/view/5107.