Plasma from patients with severe invasive group A streptococcal infections treated with normal polyspecific IgG inhibits streptococcal superantigen-induced T cell proliferation and cytokine production. - Norrby-Teglund,A.; Kaul,R.; Low,DE.; McGeer,A.; Newton,DW.; Andersson,J.; Andersson,U.; Kotb,M. (J Immunol, 1996)