Golubev, A. S.
Makhankova, T. A.
Dolzhenko, V. I.
Karakotov, S. D.
Article History
Received: 5 October 1919
Revised: 21 October 2019
Accepted: 23 October 2019
First Online: 18 May 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.