Lack of evidence for superantigen activity of Toxoplasma gondii towards human T cells - Vallochi, A. L.; Schlesinger, D.; Machado, M. A. C.; Silveira, C.; Martins, M. C.; Belfort, R.; Kalil Filho, Jorge Elias; Rizzo, Luiz Vicente (Brazilian Journal of Medical and Biological Research, 2001)