Immunopathological alterations in HIV-Leishmania co-infection: T cell activation as prognosis marker of disease - Da-Cruz, A. M.; Rodrigues, A. C. S. A.; Mattos, M.; Oliveira-Neto, M. P.; Sabbaga-Amato, V.; Posada-Vergara, M. P.; Lindoso, J. A. L.; Goto, H. (World Congress on Leishmaniosis, 2005)