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Dietrich G, Griot-Wenk M, Metcalfe IC, Lang AB, Viret JF.Dietrich G, et al.Vaccine. 2003 Jan 30;21(7-8):678-83. doi: 10.1016/s0264-410x(02)00579-0.Vaccine. 2003.PMID: 12531339Review.