Babelyuk, V. E., Yu. G. Dobrovolsky, I. L. Popovich, and I. G. Korsunskiy. “Generator for Electrotherapy and Stimulation of Human Nerve Centers”. Technology and design in electronic equipment, no. 1-2 (April 27, 2017): 23-27. Accessed September 16, 2025. http://www.tkea.com.ua/index.php/journal/article/view/TKEA2017.1-2.23.