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van Drunen Littel-van den Hurk S, Loehr BI, Babiuk LA.van Drunen Littel-van den Hurk S, et al. Among authors: loehr bi.Vaccine. 2001 Mar 21;19(17-19):2474-9. doi: 10.1016/s0264-410x(00)00476-x.Vaccine. 2001.PMID: 11257380