For citations:
Burtseva T.I., Salnikova E.V., Skalny A.V. Hygienic assessment of the security with selenium in various groups of the population of the Orenburg region. Hygiene and Sanitation. 2019;98(1):45-48. (In Russ.) https://doi.org/10.47470/0016-9900-2019-98-1-45-48