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
: Conflict of interest. The author declares that she has no conflict of interest.
: Statement on the welfare of animals. The author declares that all manipulations with animals were performed according to generally accepted ethical international standards.