1-Aghakhan, S.M., N. Abshar, S.R. Fereidouni, C. Marunesi and M. Khodashenas. 1994.Studies on avian viral infectious bursal disease in Iran. Archives de L'Institute Razi 44(45): 1-5.
2-Amin, O. G and D.J. Jackwood . 2014. Identification and molecular analysis of infectious bursal disease in broiler farms in the Kurdistan Regional Government of Iraq. Tropical Animal Health Production 46(7): 1297-301.
Eterradossi, N. and Y. M. Saif. 2003. Infectious Bursal Disease in : Saif,Y.M, Calnek.B.W, Barnes,et al, Disease of poultry. Chapter 7 (12th eds). Ames. Iowa state university press. PP:85-208.
4- Ghoraishi, S.A., T.Hajian, and D. morshedi. 2003. Detection of infectious bursal disease virus in clinical samples and differentiation from vaccinal strain by RT- PCR- RFLP. Pajouhesh & Sazandegi 60:65-69 [In Farsi].
5- Kataria, R.S., A. K. Tiwari, S. K. Bandyopadhyay, J. M. Kataria and G.Butchaiah.1998. Detection of infectious bursal disease virus of poultry in clinical samples by RT-PCR. Biochem Mol Biol Int 45:315-322.
6- Liu, H. J., J. J.Giambrone and T. Dormitorio. 1994. Detection of genetic variations in serotype I isolates of infectious bursal disease virus using polymerase chain reaction and restriction endonuclease analysis. Journal Virological Methods 48: 281-291.
7- Makadiya, N.R. 2004. Detection of infectious bursal disease virus from bursal tissue by RT-PCR and its comparative efficacy with conventional precipitation assays. V.Sc. Thesis Anand Agricultural University, Anand.
8- Mittal, D., N. Jindal, S. L. Gupta, R. S. Kataria and A K. Tiwari. 2005. Detection of Infectious Bursal Disease Virus in Field Outbreaks in Broiler Chickens by Reverse Transcription-Polymerase Chain Reaction. International Journal of Poultry Science 4 (4): 239-243.
9- OIE Terrestrial Manual. (2008). Infectious Bursal Disease (Gumboro disease), Capter 2 . 3. 1 2. : 549-565.
10- Ramzy, N., S. Abdel-Fattah and M. Abdel-Dayem. 2015. Prevalence and Molecular characterization of Gumboro virus in chicken farms in Ismailia. Assiut Vet Med J 61 (145): 152-159.
11- Razmyar, J. and S M. Peighambari. 2008. Rapid differentiation between very virulent and classical infectious bursal disease viruses isolated in Iran by RT-PCR /REA. Int J Vet Res, 2 (1):111-117.
12- Shoushtari, A H., S. A. Pourbakhsh, H. A. Dadras, M. Bahmaninejad and R. Toroghi. 2005. Pathogenicity study and restriction enzyme profile of a recently isolated infectious bursal disease vrus in Iran. Archives of Razi Institute 58: 9-18.
13- Toroghi, R., J. Kataria and M. V. Balamurugan. 2003. Differentiation of classical very virulent strain of infectious bursal diseaseVirus . Acta virologica 47: 259 –263.
14- Zahoor, MA., M. Abubakarb, S. Naimc, Q. M. Khand and M. Javed Arshed. 2010. Incidence and Molecular Characterization of Infectious Bursal Disease Virus in Commercial Broilers in Pakistan. IJAVMS 4(3): 75-80.
15- Zierenberg, K ., R. Raue and H. Muller. 2001. Rapid identification of very virulent strains of infectious bursal disease virus by reverse transciption- polymerase chain reation combined with restriction enzyme analysis. Avian Pathology 30: 55-62.