O. A. Baulina
Penza Institute for Advanced Medical Studies
Russian Federation

Ol'ga A. Baulina, Cand. Sci. (Med.), Doсent, Associate Professor of the Department of Surgery and Endoscopy named after N.A. Baulin; Deputy Director for Regional Healthcare; Member of the Board of the Penza Regional Branch of the Russian Society of Surgeons 

8A, Stasova st., Penza, 440060

A. A. Baulin
Penza Institute for Advanced Medical Studies
Russian Federation

Anatoliy A. Baulin, Dr. Sci. (Med.), Professor; Honored Doctor of the Russian Federation, Chairman of the Penza Regional Branch of the Russian Society of Surgeons, Academician of the International Academy of Ecology and Life Safety Sciences 

8A, Stasova st., Penza, 440060

V. A. Baulin
Penza Institute for Advanced Medical Studies
Russian Federation

Vladimir A. Baulin, Cand. Sci. (Med.), Associate Professor; Member of the Board of the Penza Regional Branch of the Russian Society of Surgeons 

8A, Stasova st., Penza, 440060

L. A. Aver'yanova
Clinical Hospital No. 6 named after G.A. Zakharyin
Russian Federation

Lyudmila A. Aver'yanova, Postgraduate student of the Department of Surgery and Endoscopy named after N.A. Baulin, Penza Institute for Advanced Medical Studies; Head of the Admissions Department 

7, Stasova st., Penza, 440071