A.E. KLIMOV, A.A. BARKHUDAROV, M.Yu. PERSOV Peoples’ Friendship University of Russia, 6 Miklukho-Maklaya St., Moscow, Russian Federation, 117198 Klimov A.E. — D. Med. Sc., Professor, Head of the Department of Faculty Surgery, tel. (499) 135-91-86, e-mail: klimov.pfu@mail.ru Barkhudarov A.A. — Cand. Med. Sc., Assistant of the Department of Faculty Surgery, tel. +7-926-160-35-67, e-mail: ulbak@yandex.ru Persov M.Yu. — Cand. […]