title: Antibody to an M-associated protein antigen of streptococci.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D000942:Antigens, Bacterial; D001426:Bacterial Proteins / Q000032:analysis; D003168:Complement Fixation Tests; D006801:Humans; D007074:Immunoglobulin G; D012213:Rheumatic Fever / Q000276:immunology; D013291:Streptococcus / Q000276:immunology*
chemical_list: D000906:Antibodies; D000942:Antigens, Bacterial; D001426:Bacterial Proteins; D007074:Immunoglobulin G