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1by Ponce,Miguel Adolfo, Castro,Miriam Susana, Moncada,Osvaldo Julio, Echeverría,Maria Dolores, Aldao,Celso Manuel
Published 2003Digital revistaSCIELO -
2by Savu,Raluca, Ponce,Miguel Adolfo, Joanni,Ednan, Bueno,Paulo Roberto, Castro,Miriam, Cilense,Mario, Varela,José Arana, Longo,Elson
Published 2009Digital revistaSCIELO