resumo Author's proof. The authors are indebted to Luciane Sarahyba and Nazareno dos Santos of the Molecular Biology Laboratory for their technical assistance.
autores Beldi, M.C. Tacla, M. Caiaffa-Filho, H. Ab'saber, A. Ab'saber, Alexandre Siqueira, S. Baracat, E.C. Alves, V.A.F. Longatto, Adhemar Longatto-Filho, A.