For citations:
Starkova K.G., Dolgikh O.V., Kazakova O.A. Features of the immune status of middle and high school students in conditions of high blood content of a number of exogenous chemical impurities. Hygiene and Sanitation. 2021;100(5):501-506. (In Russ.) https://doi.org/10.47470/0016-9900-2021-100-5-501-506
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