Krylova, M. I.
Article History
Received: 13 May 2019
Revised: 17 June 2019
Accepted: 20 June 2019
First Online: 13 April 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The author declares that she has no conflict of interest.
: <i>Statement on the welfare of animals.</i> The author declares that all manipulations with animals were performed according to generally accepted ethical international standards.