1. Abdul-Aziz, T.A. and Al-Attar, M. A., 1991. New syndrome in Iraqi chicks, Veterinary Record, 129, 272
2. Afzal, M. and Ahmad, I., 1990. Efficacy of an inactivated vaccine against hydropericardium syndrome in broilers,Veterinary Record, 126, 59–60
3. Ahmad, K., Malik, M. I., Iqbal, K., Ahmad, K. and Naz, S., 1990. Efficacy of formalized liver organ vaccine against angara disease in broiler, Veterinary Archive, 63, 131–138
4. Akhtar, M., Ahmad, R., Hayat, C. S, Hussain, I. and Ashfaque, M., 2000. Comparative immune response of formalin inactivated and binary ethyleneimine inactivated Angara disease vaccines, Pakistan Journal Biology Science, 3, 1313–1314
5. Attrache, J. and Villegas, P., 2001. Genomic identification and characterization of avian adenovirus associated with inclusion body hepatitis, Avian Diseases, 45, 780–787