Ryzhanovskiy, V. N.
Gilev, A. V.
Article History
Received: 6 February 2019
Revised: 24 May 2019
Accepted: 5 June 2019
First Online: 13 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The authors declare that they have no conflict of interest.
: <i>Statement on the welfare of animals.</i> This article does not contain any studies involving animals performed by any of the authors.