1.
Poberezhnyi VI, Marchuk OV, Shvidyuk OS, Petrik IY. Fundamentals of the modern theory of the phenomenon of “pain” in terms of a systematic approach to issues its psychological component. Terminology of the systemic approach and a brief representation of the human body as a system. PMJUA [Internet]. 1Aug.2018 [cited 24May2019];3(2):6-3. Available from: https://www.painmedicine.org.ua/index.php/pnmdcn/article/view/97