@article{Betkova2021prevalence,
author={Betkova, K.V. and Lomiashvili, L.M. and Chekina, A.V. and Poselyanova, I.V.},
title={PREVALENCE OF PERIAPICAL TISSUE DISEASES},
journal={Actual problems in dentistry},
publisher={TIRAZH Publishing House},
year={2021},
pages={38-42},
volume={17},
issue={2},
}