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1 Passive immunization using purified IgYs against infectious bursal disease of chickens in Pakistan
Muhammad Wasif Malik, Najma Ayub, Irfan Zia Qureshi
J Vet Sci.2006;7(1):43-46.   Published online 2006 March 31     DOI: http://dx.doi.org/10.4142/jvs.2006.7.1.43
      

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