title: Standardisation of the Widal test.
authors: Y M
authors: YM
authors: Cheong
authors: M
authors: M
authors: Jegathesan
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis; D007159:Immunologic Tests / Q000592:standards*; D019081:O Antigens; D012485:Salmonella typhi / Q000276:immunology; D014435:Typhoid Fever / Q000175:diagnosis*
chemical_list: D000942:Antigens, Bacterial; D019081:O Antigens