Poberezhnyi, V. I., Marchuk, O. V., Shvidyuk, O. S., Petrik, I. Y. and Logvinov, O. S. (2019) “Fundamentals of the modern theory of the phenomenon of "pain" from the perspective of a systematic approach. Neurophysiological basis. Part 1: A brief presentation of key subcellular and cellular ctructural elements of the central nervous system.”, Pain medicine, 3(4), pp. 6-40. doi: 10.31636/pmjua.v3i4.1.