Zalibekov, Z. G.
Mamaev, S. A.
Kotenko, M. E.
Magomedov, R. A.
Article History
Received: 10 July 2019
Revised: 1 March 2020
Accepted: 1 March 2020
First Online: 8 August 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflicts of interest.