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1by Reyna-Villasmil,Eduardo, Santos-Bolívar,Joel, Peña-Paredes,Elvia, Perozo-Romero,Juan, De Nobrega-Correa,Helen
Published 2008Digital revistaSCIELO -
2by Reyna Villasmil,Eduardo, Mejia Montilla,Jorly, Reyna Villasmil,Nadia, Torres Cepeda,Duly, Santos Bolívar,Joel, Perozo Romero,Juan
Published 2010Digital revistaSCIELO -
3by Perozo-Romero,Juan, Santos-Bolívar,Joel, Peña-Paredes,Elvia, Sabatini-Sáez,Isabel, Torres-Cepeda,Duly, Reyna-Villasmil,Eduardo
Published 2009Digital revistaSCIELO