Poberezhnyi, V. et al. 2020. Basic concepts and physical-chemical phenomena, that have conceptual meaning for the formation of systemic clinical thinking and formalization of the knowledge of systemic structural-functional organization of the human’s organism . Pain medicine. 5, 2 (Jun. 2020), 15–62. DOI:https://doi.org/10.31636/pmjua.v5i2.2.