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1by Bravo F,Laura, Correa M,Yusleidy, Clausell I,Jorge F, Fernández A,Anabel, Ramírez A,Margarita, Núñez F,Fidel, Ledo G,Yudith, Cruz I,Yanaika
Published 2009Digital revistaSCIELO -
2by Cabrera R,Luis E, Castro E,Graciela, Ramírez A,M. Margarita, Llop H,Alina, Llanes C,Rafael, Castañeda E,Neisideismy, Fernández A,Anabel, Bravo F,Laura
Published 2007Digital revistaSCIELO