For citations:
Petrukhin N.N., Andreenko O.N., Boyko I.V. Prevalence of parenteral viral hepatitis as a professional disease in medical workers in the Northwestern Federal District. Russian Journal of Occupational Health and Industrial Ecology. 2021;61(5):324-329. (In Russ.) https://doi.org/10.31089/1026-9428-2021-61-5-324-329