Comparative protective efficacy of combined vaccines against Newcastle disease and infectious bronchitis viruses in broiler chickens in Egypt.

Citation:
Walaa, A. M., A. Yousif, L. M. Omar, W. H. Kilany, M. El-Sayed, and A. A. El-Sanousi, "Comparative protective efficacy of combined vaccines against Newcastle disease and infectious bronchitis viruses in broiler chickens in Egypt.", Egyptian Journal of Virology, vol. 12, pp. 65-78, 2015.
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