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Palendira U, Spratt JM, Britton WJ, Triccas JA.Palendira U, et al.Vaccine. 2005 Feb 25;23(14):1680-5. doi: 10.1016/j.vaccine.2004.10.007.Vaccine. 2005.PMID: 15705472
Martin E, Roche PW, Triccas JA, Britton WJ.Martin E, et al. Among authors: britton wj.Vaccine. 2001 Jan 8;19(11-12):1391-6. doi: 10.1016/s0264-410x(00)00374-1.Vaccine. 2001.PMID: 11163661