title: Countercurrent immunoelectrophoresis: improved detection of pneumococcal capsular antigens in sputum by incorporation of a carboxylated derivative of phenyl boronic acid.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis*; D001555:Benzene Derivatives; D001897:Boronic Acids; D003378:Counterimmunoelectrophoresis / Q000379:methods*; D006801:Humans; D007122:Immunoelectrophoresis / Q000379:methods*; D013183:Sputum / Q000276:immunology*; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D001555:Benzene Derivatives; D001897:Boronic Acids