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Crowley-Luke A, Reddin K, Gorringe A, Hudson MJ, Robinson A.Crowley-Luke A, et al.Vaccine. 2001 May 14;19(25-26):3399-407. doi: 10.1016/s0264-410x(01)00074-3.Vaccine. 2001.PMID: 11348704
Gorringe A, Halliwell D, Matheson M, Reddin K, Finney M, Hudson M.Gorringe A, et al.Vaccine. 2005 Mar 18;23(17-18):2210-3. doi: 10.1016/j.vaccine.2005.01.055.Vaccine. 2005.PMID: 15755597