For citations:
Valina S.L., Shtina I.E., Osheva L.V., Ustinova O.Yu., Eisfeld D.A. Hygienic assessment of the educational process in schools with different educational programs. Hygiene and Sanitation. 2019;98(2):166-170. (In Russ.) https://doi.org/10.18821/0016-9900-2019-98-2-166-170