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1Digital revistaSCIELO
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2Digital revistaSCIELO
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3by Silva,J.A., Moreira,E.C., Haddad,J.P.A., Sampaio,I.B.M., Modena,C.M., Tubaldini,M.A.S.
Published 2001Digital revistaSCIELO -
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