TY JOUR TI Influence of diprospan on the clinical course of erosive and ulcerative forms of oral lichen planus KW lichen planus KW oral mucosa KW diprospan KW corticosteroids KW erosive and ulcerative form JO Actual problems in dentistry AU Chernyshova, N.D. AU Akmalova, G.M. AU Chuykin, S.V. PY 2015 IS 11 PB TIRAZH Publishing House