Ogorodnova, U. A.
Akhmetova, A. M.
Shakirova, F. M.
Timofeeva, O. A.
Article History
Received: 28 March 2019
Revised: 29 May 2019
Accepted: 7 June 2019
First Online: 24 March 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.