Institution: | 1.Veterinary Organization, Zanjan, Zanjan Province, Iran ;2.Department of Animal Virology, Research and Diagnosis, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Organization (AREEO), Karaj, Iran ;3.Department of Avian Diseases, Research and Diagnosis, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Organization (AREEO), Karaj, Iran ;4.Razi Vaccine and Serum Research Institute, Shiraz Branch, Agricultural Research, Education and Organization (AREEO), Shiraz, Iran ; |