Sarvarova, E. R.
Khairullin, R. M.
Maksimov, I. V.
Article History
Received: 26 August 2020
Revised: 12 December 2020
Accepted: 22 February 2021
First Online: 27 July 2021
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflicts of interest. This article does not contain any studies involving humans and animals as objects.