Ivanov, A. N.
Chibrikova, Yu. A.
Saveleva, M. S.
Rogozhina, A. S.
Norkin, I. A.
Article History
Received: 29 July 2020
Revised: 9 September 2020
Accepted: 11 September 2020
First Online: 18 June 2021
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest . The authors declare that they have no conflict of int-erest
: Statement on the welfare of animals . This study was conducted in accordance with the ethical principles of the Declaration of Helsinki concerning animal welfare and the recommendations of the Ethics Committee of Razumovsky Saratov State Medical University of the Ministry of Health of the Russian Federation, protocol no. 6 dated February 6, 2018.