Čupriks, Leonīds, Andris Rudzītis, Aleksandra Čuprika, Sergejs Boičenko, Gundega Knipše, and Olga Mikitčik. 2015. “The Effect of the Cranial Electrotherapy on the Muscle Motor Function in Different Operating Modes”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 3 (July): 391-403. https://doi.org/10.17770/sie2014vol3.691.