Heterogeneity in genetic admixture across different regions of Argentina - Avena, S; Via, M; Ziv, E; Perez-Stable, E J; Gignoux, C R; Dejean, C; Huntsman, S; Torres-Mejia, G; Dutil, J; Matta, J L; Beckman, K; Burchard, E G; Parolin, M L; Goicoechea, A; Acreche, N; Boquet, M; Rios Part Mdel, C; Fernandez, V; Rey, J; Stern, M C; Carnese, R F; Fejerman, L (PLoS One, 2012)