Variation in the M-antigen of group-A streptococci.
D000818:Animals; D000941:Antigens / Q000032:analysis*; D000942:Antigens, Bacterial / Q000032:analysis; D001435:Bacteriophages; D003470:Culture Media; D006801:Humans; D007106:Immune Sera; D008242:Lysogeny; D009426:Netherlands; D010612:Pharyngitis / Q000382:microbiology; D011817:Rabbits; D012703:Serotyping; D013291:Streptococcus / Q000276:immunology* / Q000302:isolation & purification
D000941:Antigens; D000942:Antigens, Bacterial; D003470:Culture Media; D007106:Immune Sera