Valeria Dmitrievna Adamyanets, V.I. Razumovsky Saratov State Medical University, Faculty of General Medicine, 3rd year, Group 13; Renata Tagirovna Nuriyeva, Margarita Anatolyevna Pugacheva, V.I. Razumovsky Saratov State Medical University, Faculty of General Medicine, 3rd year, Group 6
Supervisor: Ekaterina Aleksandrovna Dmitrienko, Assistant Professor, A.A. Bogomolets Department of Pathological Physiology, V.I. Razumovsky Saratov State Medical University.