A.Kh. RAMAZANOVA1,2, I.G. MUSTAFIN2, A.Kh. ODINTSOVA1, L.R. SADYKOVA1 1Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064 2Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 Ramazanova A.Kh. — doctor of the gastroenterology department, postgraduate student of the Department of Biochemistry, tel. +7-927-404-74-40, e-mail: alsuramazan@mail.ru Mustafin I.G. […]