Poberezhnyi, V. I., M. S. Pushkar, O. S. Shvydyuk, and D. D. Prokhorov. 2016. “Theoretical Foundations of Therapeutic and Preventive Measures from a Position of Functional System Approach. Clinical Experience. Demonstrative Cases”. Pain Medicine 1 (3):20-40. https://painmedicine.org.ua/index.php/pnmdcn/article/view/21.