Khoobyar, Setareh, Nazari, Mohammad Bagher, Rahimian, Abdollah, Mehrabanpour, Mohammad Javad. “Isolation and Pathotyping of Newcastle viruses by  RT-PCR and MDT methods from broiler chickens in Fars province.” Journal of Microbial World, vol. 4, no. 10, 2011, pp. 29-35.