title: [Responses of pneumococcal and staphylococcal polysaccharides to rheumatoid sera].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D007106:Immune Sera; D005779:Immunodiffusion; D011135:Polysaccharides, Bacterial; D011233:Precipitin Tests; D013210:Staphylococcus / Q000276:immunology*; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D007106:Immune Sera; D011135:Polysaccharides, Bacterial