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1by Vera V,Raúl, Villegas,María G, Gómez G,Milagros, Abreu,Perfecto, Barbosa,Doris, Vera G,Andrés, Vera G,Raúl, Ruan,Laura, De Lima,Fabio, Medina,Francisco, Romero,Jesús, Dávila,Jesús, Urdaneta,Nelson, Gutiérrez,Enrique
Published 2008Digital revistaSCIELO -
2by Vera-Gimón,Raúl, Sucre,Carlos, Arbona-Roche,Esther, Vivas,Lilian, Salazar,Héctor, Rosales,Tamara, Rosales,Juan Pablo, Vera-Vera,Raúl, Gutiérrez,Enrique, Urdaneta,Nelson, Vera-Gimón,Andrés, Barboza,Doris, Abreu,Perfecto, Ruán,Laura, Villegas,María, Ott,Sara
Published 2009Digital revistaSCIELO