TY JOUR TI MODERN ASPECTS OF ETIOPATHOGENESIS, CLINICS AND TREATMENT OF PATHOLOGY MUCOUS MEMBRANE OF MOUTH IN PATIONS WITH GASTROINTESTINAL TRACT DISEASES KW oral mucosa KW recurrent aphthosis KW gastrointestinal tract diseases KW risk factors KW quality of life JO Actual problems in dentistry AU Galimova, I.A. AU Usmanova, I.N. AU Hismatullina, Z.R. AU Granot, Y.. AU Guryevskaya, O.A. AU Ishmukhametova, A.N. AU Sarvalieva, A.F. PY 2020 IS 16 PB TIRAZH Publishing House