@article{Mihalchenko2018russell`s,
author={Mihalchenko, V.F. and Popova, A.N. and Firsova, I.V. and Yakovlev, A.T. and Alekhanova, I.F. and Vasenev, E.E. and Makedonova, Y.A. and Krajnov, S.V.},
title={RUSSELL`S PERIODONTAL INDEX IN GERONTODENTISTRY  (SPECIFICATIONS OF INTERPRETATION)},
journal={Actual problems in dentistry},
publisher={TIRAZH Publishing House},
year={2018},
pages={24-31},
volume={14},
issue={4},
}