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Ficht TA, Kahl-McDonagh MM, Arenas-Gamboa AM, Rice-Ficht AC.Ficht TA, et al.Vaccine. 2009 Nov 5;27 Suppl 4(Suppl 4):D40-3. doi: 10.1016/j.vaccine.2009.08.058.Vaccine. 2009.PMID: 19837284Free PMC article.Review.