title: Induction of Ia-like antigens by a group A streptococcal product with mitogenic activity.
mesh_terms: D002478:Cells, Cultured; D000949:Histocompatibility Antigens Class II / Q000276:immunology*; D006801:Humans; D008213:Lymphocyte Activation; D008934:Mitogens / Q000276:immunology* / Q000378:metabolism; D013297:Streptococcus pyogenes / Q000378:metabolism*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000949:Histocompatibility Antigens Class II; D008934:Mitogens