E.R. MUKHAMETOVA1,2, N.M. GRUBER3, E.A. MUKHAMETSHINA1, T.V. BALTINA1 1Kazan (Volga) Federal University, 18 Kremlevskaya Str., Kazan, Russian Federation, 420008 2Healthcare unit of the Kazan (Volga Region) Federal University, 1A Chekhov Str., Kazan, Russian Federation, 420043 3Republic Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Mukhametova E.R. ― postgraduate student […]