A.Kh. RAMAZANOVA1,2, I.G. MUSTAFIN2, A.Kh. ODINTSOVA1, R.M. NABIULLINA2, D.T. SIRAZETDINOV1, D.I. ABDULGANIEVA1,2 1Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Ramazanova A.Kh. — physician of the Department of Gastroenterology, postgraduate student of the Department of Biochemistry, tel. […]