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Prieto-Lara E, Llanos-Méndez A.Prieto-Lara E, et al. Among authors: llanos mendez a.Vaccine. 2010 Jun 11;28(26):4328-34. doi: 10.1016/j.vaccine.2010.03.068. Epub 2010 Apr 18.Vaccine. 2010.PMID: 20403350Review.