State of health of schoolchildren in the modern educational environment
Состояние здоровья школьников в современной образовательной среде

Natalia Fedko, Angelina Kalmykova, Valentina Muravyeva, Asiyat Dzhanibekova, Victoriya Kalmykova
2019 Medical news of the North Caucasus  
doi:10.14300/mnnc.2019.14175 fatcat:3yxdx6ferfgdhdsjb7sw4tqora