Old, D C Numerical index of the discriminatory ability of biotyping for strains of Salmonella typhimurium and Salmonella paratyphi B. [electronic resource] - Epidemiology and infection Dec 1989 - 435-43 p. digital Publication Type: Journal Article ISSN: 0950-2688 Standard No.: 10.1017/s0950268800030831 doi Subjects--Topical Terms: AnimalsBacterial Typing TechniquesBacteriophage TypingDiscriminant AnalysisHumansRetrospective StudiesSalmonella--classificationSalmonella paratyphi B--classificationSalmonella typhimurium--classificationScotland