Muslim R. Yusupov
5th-year Student, Pyatigorsk Medical and Pharmaceutical Institute (PMFI) – Branch of Volgograd State Medical University,
Pyatigorsk, Russia
ORCID: https://orcid.org/0000-0002-1169-3207
Author's articles:
The article presents the results of a study focused on examination of preschool children from different ethnic groups ...