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1by Castiblanco G,Adriana, Pires N,Yumay, Wistuba O,Ignacio, Riquelme S,Erick, Andrade M,Leonardo, Corvalán R,Alejandro
Published 2006Digital revistaSCIELO -
2by Zavala G,Luis, Luengo J,Víctor, Ossandón C,Francisco, Riquelme S,Erick, Backhouse E,Claudia, Palma V,Mariana, Argandoña C,Jorge, Cumsille,Miguel Angel, Corvalán R,Alejandro
Published 2007Digital revistaSCIELO