S. N. Mekhtiev
Pavlov First Saint Petersburg State Medical University; Gastroenterological Center “Expert”
Russian Federation

Sabir N. Mekhtiev - Dr. Sci. (Med.), Professor of the Department of Hospital Therapy with a Course of Allergology and Immunology named after Academician M.V. Chernorutsky with the Clinic, Pavlov First Saint Petersburg State Medical University; Chief Physician, Gastroenterological Center “Expert”.

6–8, Lev Tolstoy St., St Petersburg, 197022; 16, Pionerskaya St., St Petersburg, 197110

O. A. Mekhtieva
Pavlov First Saint Petersburg State Medical University; Gastroenterological Center “Expert”
Russian Federation

Olga A. Mekhtieva - Cand. Sci. (Med.), Associate Professor Department of Hospital Therapy with a Course of Allergology and Immunology named after Academician M.V. Chernorutsky with the Clinic, Pavlov First Saint Petersburg State Medical University; Gastroenterologist, Therapist, Cardiologist, Gastroenterological Center “Expert”.

6–8, Lev Tolstoy St., St Petersburg, 197022; 16, Pionerskaya St., St Petersburg, 197110