title: Detection of Salmonella typhi 'O' antigen by counter-immuno-electrophoresis.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis*; D003378:Counterimmunoelectrophoresis; D006801:Humans; D019081:O Antigens; D012485:Salmonella typhi / Q000276:immunology*; D014435:Typhoid Fever / Q000175:diagnosis
chemical_list: D000942:Antigens, Bacterial; D019081:O Antigens