title: Relationship between haptoglobin and Streptococcus pyogenes T4 antigens.
mesh_terms: D000371:Agglutination; D000907:Antibodies, Bacterial / Q000235:genetics*; D000942:Antigens, Bacterial; D005838:Genotype; D006242:Haptoglobins / Q000235:genetics*; D006801:Humans; D013297:Streptococcus pyogenes / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D006242:Haptoglobins