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Sá E Silva M, Ellis A, Karaca K, Minke J, Nordgren R, Wu S, Swayne DE.Sá E Silva M, et al. Among authors: karaca k.Vaccine. 2013 Feb 4;31(7):1045-50. doi: 10.1016/j.vaccine.2012.12.044. Epub 2012 Dec 28.Vaccine. 2013.PMID: 23277093