IMMUNOHISTOPATHOLOGICAL CHANGES OF BONE TISSUE DURING CHRONIC GENERALIZED PERIODONTITIS Статья Sirak S.V., Shchetinin E.V., Garunov M.M., Grigoryants L.A., Andreev A.A., Petrosyan G.G., Dzgoeva M.G. Medical News of North Caucasus. Stavropol State Medical University. Том 14. 2019. С. 532-535