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Hopkins RJ, Howard C, Hunter-Stitt E, Kaptur PE, Pleune B, Muse D, Sheldon E, Davis M, Strout C, Vert-Wong K.Hopkins RJ, et al. Among authors: muse d.Vaccine. 2014 Apr 17;32(19):2217-24. doi: 10.1016/j.vaccine.2014.01.073. Epub 2014 Mar 6.Vaccine. 2014.PMID: 24613523Clinical Trial.