TY JOUR TI ACTIVITY OF SALIV ALPHA AMYLASES AND LEVEL OF ORAL CAVITY HYGIENE UNDER DIFFERENT CLINICAL CONDITIONS KW saliva KW alpha-amylase KW biofilm KW intestinal dysbiosis KW severe acute respiratory syndrome KW oral hygiene JO Actual problems in dentistry AU Shulyatnikova, O.A. AU Godovalov, A.P. AU Rogozhnikov, G.I. AU Yakovlev, M.V. AU Batog, K.A. AU Leushina, E.A. PY 2021 IS 17 PB TIRAZH Publishing House