A.I. LOKOTKOVA1, I.A. BULYCHEVA1, O.G. NOVIKOVA2, E.Kh. MAMKEEV3, L.G. KARPENKO3  1Kazan State Medical University, Kazan 2Republican Oncological Clinical Dispensary, Kazan 3Kazan State Medical Academy — Branch Campus of Russian Medical Academy of Continuous Professional Education, Kazan   Contact details: Lokotkova A.I. — PhD (medicine), Associate Professor of the Department of Epidemiology and Evidence-Based Medicine Address: 49 Butlerov […]