NK1.1+cells and T-cell activation in euthymic and thymectomized C57Bl/6 mice during acute trypanosoma cruzi infection - Cardillo, F; Cunha, Fernando de Queiróz; Tamashiro, W M.; Russo, Momtchilo; Garcia, Sérgio Britto; Mengel, J. (Scandinavian Journal Immunology, 2002)