For citations:

Voronin V.N., Pechenkina A.A., Vasiliev F.V., Kamenchenko A.V. Parasites as biological indicators of fish of lake Ladoga amd lake Ilmen. Legal regulation in veterinary medicine. 2023;(1):101-104. (In Russ.) https://doi.org/10.52419/issn2782-6252.2023.1.101