For citations:

Shkunov V.N. Sanitary and hygienic control both of goods and foreign trade operations at fairs of the Volga region over the XIX century. Hygiene and Sanitation. 2023;102(9):1001-1004. (In Russ.) https://doi.org/10.47470/0016-9900-2023-102-9-1001-1004. EDN: hnjpaq