O.K. POZDEYEV1,2, A.G. GAYANOVA3, L.M. SIRAZUTDINOVA3, G.Z. SHAYGARDANOVA3, M.P. SHULAYEVA1 1Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420012 2Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 3Nizhnekamsk Central Regional Multi-profile Hospital, 9 Akhtubinskaya St., Nizhnekamsk, Russian Federation, 423570 Pozdeyev O.K. — D. Med. Sc., Professor, Head of the Department of […]