@book{Kostina2019pre-cancer, author={Kostina, I.N. and Yepishova, A.A. and Griroriev, S.S. and Chernyshova, N.D. and Sorokoumova, D.V.}, title={PRE-CANCER DISEASES OF THE MUCOUS MEMBRANE OF THE ORAL CAVITY, RED BORDER OF THE LIPS AND FACIAL SKIN}, publisher={TIRAZH Publishing House}, year={2019}, pages={84}, }