V. V. Grebenuk
Medical University of GMA Amur
Russian Federation

Grebenuk Vyacheslav Vladimirovich, MD, Professor, Department of Anatomy and Operative Surgery

Amur Region, Blagoveshchensk, Gorkiy street, 95

K. A. Kovtunov
GAUZ JSC "AOKB"
Russian Federation

Kovtunov Konstantin Anatolievich, doctor - urologist of the highest category

urology department

Blagoveshchensk, street Voronkov, 26

A. A. Nazarov
GBUZ "City Clinical Hospital"
Russian Federation

Nazarov Anatoliy Anatolievich, MD, a surgeon of the highest category, the doctorcoloproctologist

department of paid services

Blagoveshchensk, Str. Zeya, 72/58

I. V. Chumachenko
Вranch №3 FGKU "301 CWS" Defense of the Russian Federation
Russian Federation

Chumachenko Igor Vasilievich, surgeon, the head of the surgical department

Amur region, Belogorsk