Kashin, V. K.
Ubugunov, L. L.
Article History
Received: 31 May 2019
Revised: 19 August 2019
Accepted: 1 September 2019
First Online: 13 May 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflicts 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.