title: Antigenic structure of Streptococcus pyogenes L forms.
mesh_terms: D000941:Antigens / Q000032:analysis*; D002473:Cell Wall / Q000276:immunology; D011232:Chemical Precipitation; D003956:Dialysis; D007106:Immune Sera; D005779:Immunodiffusion; D007740:L Forms / Q000276:immunology*; D011233:Precipitin Tests; D013297:Streptococcus pyogenes / Q000276:immunology*; D014461:Ultracentrifugation
chemical_list: D000941:Antigens; D007106:Immune Sera