%0 Journal Article %T SYSTEMIC AND DENTAL PATHOLOGY OF A PATIENT WITH RHEUMATOID ARTHRITIS ON THE BACKGROUND OF METOTREXATE THERAPY (CLINICAL CASE) %A Anisimova, I.V. %A Simonyan, L.A. %A Balchytis, V.V. %K oral mucosa, ulcerative necrotizing gingivostomatitis, rheumatoid arthritis, methotrexate, combined pathology %J Actual problems in dentistry %D 2021 %N 17 %P 6 %I TIRAZH Publishing House