Authors
Mehmet Ozkan Timurkan
Virology Department, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
Hakan Aydin
Virology Department, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
Ahmet Sait
Virology Department, Pendik Veterinary Control Institute, Ministry of Food and Forestry, Istanbul, Turkey