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Muirhead, T. L., McClure, J. T., Wichtel, J. J., Stryhn, H., Markham, R. J. F., McFarlane, D., & Lunn, D. P. (2010). The effect of age on the immune response of horses to vaccination in proceedings of the second Merial European comparative vaccinology symposium : vaccination challenges in ageing populations. Journal Of Comparative Pathology, 142, S85-S90. doi:10.1016/j.jcpa.2009.10.010