ISSN Print 2713-0878
ISSN Online 2713-0886
BIOMEDICAL JOURNAL OF ERMC EASTERN EUROPEAN
Saratov State Medical University, Saratov, Russia
Correspondence should be addressed: Anna A. Voitovich
Kuznechnaya, 11/21, Saratov, 410031, Russia; ur.liam@88.hcivotiov
Compliance with ethical standards: all students submitted the informed consent to participation in the study.