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1Digital revistaSCIELO
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2Digital revistaSCIELO
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3Digital revistaSCIELO
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4by Fernandes,O, Santos,SS, Junqueira,ACV, Jansen,AM, Cupolillo,E, Campbell,DA, Zingales,B, Coura,JR
Published 1999Digital revistaSCIELO