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Jimenez KL, Zavaleta AI, Izaguirre V, Yarleque A, Inga RR.Jimenez KL, et al. Among authors: izaguirre v.Rev Peru Med Exp Salud Publica. 2010 Oct-Dec;27(4):532-9. doi: 10.1590/s1726-46342010000400007.Rev Peru Med Exp Salud Publica. 2010.PMID: 21308192Free article.Spanish.