A.V. PIKUZA1, L.F. RASHITOV2 1Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Kazan (Volga) Federal University, 74 Karl Marx Str., Kazan, Russian Federation, 420012  Pikuza A.V. — Cand. Med. Sc., Associate Professor of the Department of Surgical Diseases No. 1, tel. 236-06-52, e-mail: rashlen@gmail.com Rashitov L.F. — Cand. Med. Sc., Associate Professor, […]