Khatuntseva, E. A.
Nifantiev, N. E.
Article History
Received: 27 July 2020
Revised: 10 August 2020
Accepted: 11 August 2020
First Online: 20 March 2021
COMPLIANCE WITH ETHICAL STANDARDS
: The article contains no description of studies on humans or animals performed by any of the authors.
: The authors declare no conflict of interests.