Fik, V. B., et al. “MICROSTRUCTURAL ORGANIZATION OF PERIODONTIUM UNDER CONDITIONS OF COMPLEX CORRECTION AGAINST THE BACKGROUND OF EXPERIMENTAL TEN-WEEK OPIOID EXPOSURE”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Pulse, no. 16-17-(61-62), Aug. 2022, pp. 100-9, doi:10.21802/2304-7437-2021-2022-16-17(61-62)-100-109.