TY JOUR TI A MODERN VIEW ON THE ETIOLOGY AND PATHOGENESIS OF LICHEN PLANUS AND LICHENOID LESIONS OF THE ORAL MUCOSA KW lichen planus KW lichenoid lesions KW prevalence KW clinical symptomatology KW risk factors KW aetiopathogenesis JO Actual problems in dentistry AU Guryevskaya, O.A. AU Usmanova, I.N. AU Hismatullina, Z.R. AU Granot, Y.. AU Pashkova, G.S. AU Chepukova, O.A. AU Khusnarizanova, R.F. PY 2021 IS 17 PB TIRAZH Publishing House