This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Grażyna Topolska
Warsaw University of Life Sciences,
Faculty of Veterinary Medicine, Department of Pathology and Veterinary Diagnostics,
Laboratory of Bee DiseasesPoland
Anna Gajda
Warsaw University of Life Sciences,
Faculty of Veterinary Medicine, Department of Pathology and Veterinary Diagnostics,
Laboratory of Bee DiseasesPoland
Urszula Imińska
Warsaw University of Life Sciences,
Faculty of Veterinary Medicine, Department of Pathology and Veterinary Diagnostics,
Laboratory of Bee DiseasesPoland