A.O. POZDNYAK1, O.S. ELSUKOVA2, E.A. NIKITINA2  1KSMA — Branch Campus of the FSBEI FPE RMACPE MOH Russia, Kazan 2Kirov State Medical University, Kirov  Contact details: Nikitina E.A. — PhD (Medicine), Associate Professor of the Department of Internal Medicine Address: 112 K. Marx St., 610027 Kirov, Russian Federation, tel.: +7-953-687-18-44, e-mail: nikitinae1991@mai.ru The purpose was to […]