For citations:

Novikova I.I., Yurk D.E., Sorokina A.V., Lobkis M.A., Zubtsovskaya N.A. Hygienic assessment of the impact of restrictions on the use of cellphones on physical activity and health of schoolchildren. Public Health and Life Environment – PH&LE. 2020;(8):10-14. (In Russ.) https://doi.org/10.35627/2219-5238/2020-329-8-10-14