S.V. MALTSEV, L.Z. SAFINA, A.A. BIKTIMIROVA, G.Sh. MANSUROVA Kazan State Medical Academy – Branch Campus of RMACPE MH Russia, Kazan Directorate for Sports and Social Projects, Kazan Kazan (Volga) Federal University, Kazan  Contact details: Maltsev S.V. – Honored Researcher of the Russian Federation and the Republic of Tatarstan, corresponding member of the Academy of Sciences […]