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Gutiérez-Gómez Y, Kain J, Uauy R, Galván M, Corvalán C.Gutiérez-Gómez Y, et al. Among authors: corvalan c.Arch Latinoam Nutr. 2009 Mar;59(1):30-7.Arch Latinoam Nutr. 2009.PMID: 19480341Spanish.