А. А. Baulin
Penza Institute of Advanced Medical Training — Branch Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russia
Russian Federation

Anatoly A. Baulin — Doctor of Medical Sciences, Associate Professor, Professor, Department of surgery and endoscopy named after Professor N.A. Baulin

440060, Penza

L. A. Averyanova
Clinical Hospital №6 named after G.A. Zakharina
Russian Federation

Lyudmila A. Averyanova — surgeon-endoscopist, Ultrasound diagnostics department

440071, Penza

V. A. Baulin
Penza Institute of Advanced Medical Training — Branch Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russia
Russian Federation

Vladimir A. Baulin — Candidate of Medical Sciences, Associate Professor, Department of surgery and endoscopy named after Professor N.A. Baulin

440060, Penza

O. A. Baulina
Penza Institute of Advanced Medical Training — Branch Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russia
Russian Federation

Olga A. Baulina — Candidate of Medical Sciences, Associate Professor, Department of surgery and endoscopy named after Professor N.A. Baulin

440060, Penza