Gusarova, N. K.
Malysheva, S. F.
Belogorlova, N. A.
Verkhoturova, S. I.
Oparina, L. A.
Arbuzova, S. N.
Chernysheva, N. A.
Nalibayeva, A. M.
Bishimbayeva, G. K.
Yas’ko, S. V.
Trofimov, B. A.
Article History
Received: 28 November 2019
Revised: 28 November 2019
Accepted: 5 December 2019
First Online: 25 June 2020
CONFLICT OF INTEREST
: No conflict of interest was declared by the authors.