TY JOUR TI SOME FEATURES OF CLINICAL MANIFESTATION OF TYPICAL AND COMPLICATED FORMS OF LICHEN PLANUS ON THE ORAL MUCOSA ACCORDING TO OBSERVATION DATA KW lichen planus KW oral mucosa KW clinical features KW manifestation KW typical and complicated forms of lichen planus JO Actual problems in dentistry AU Guryevskaya, O.A. AU Livzan, M.A. AU Usmanova, I.N. AU Hismatullina, Z.R. AU Chepukova, O.A. AU Granot, Y.. AU Tiunova, N.V. AU Berezin, k.A. PY 2021 IS 17 PB TIRAZH Publishing House