For citations:
Ushakova E.S., Karavaeva T.I., Puzik A.Yu., Volkova M.A., Belkin P.A. Assessment of soil contamination at playgrounds in residential areas. Hygiene and Sanitation. 2022;101(1):14-20. (In Russ.) https://doi.org/10.47470/0016-9900-2022-101-1-14-20