Induction of IBV strain-specific neutralizing antibodies and broad spectrum protection in layer pullets primed with IBV Massachusetts (Mass) and 793B vaccines prior to injection of... von de Wit, J. J. (Sjaak), Malo, Aris, Cook, Jane K. A.

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Alternative methods to compare safety of live-attenuated respiratory Newcastle disease vaccines in young chicks von Malo, Aris, de Wit, Sjaak, Swart, Wim A J M, Cook, Jane K A

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Efficacy of a new tetravalent coryza vaccine against emerging variant type B strains von Jacobs, Anton A.C., van den Berg, Karin, Malo, Aris

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