title: Reactions between certain strains of pneumococci and Fc of IgG.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D004912:Erythrocytes / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D007070:Immunoglobulin A; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011135:Polysaccharides, Bacterial; D018805:Sepsis / Q000276:immunology; D012756:Sheep / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011135:Polysaccharides, Bacterial