V.V. FATTAKHOV, N.V. MAKSUMOVA Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012  Fattakhov V.V. — D. Med. Sc., Professor of the Surgery Department, tel. +7-987-297-12-08, e-mail: vvfat@mail.ru Maksumova N.V. — Cand. Med. Sc., Assistant Lecturer of the Department of Functional Diagnostics, tel. […]