Valeeva, L. R.
Nyamsuren, Ch.
Shakirov, E. V.
Sharipova, M. R.
Article History
Received: 4 October 2018
Revised: 31 January 2019
Accepted: 6 February 2019
First Online: 5 December 2019
COMPLIANCE WITH ETHICAL STANDARDS
: This article does not contain any studies involving animals or human participants performed by any of the authors.
: The authors declare that they have no conflict of interests.