Helgason, S Comparison of four methods of differential typing of isolates of Shigella sonnei. [electronic resource] - The Journal of hygiene Dec 1981 - 339-55 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-1724 Standard No.: 10.1017/s0022172400069588 doi Subjects--Topical Terms: Anti-Bacterial Agents--pharmacologyColicinsDrug Resistance, MicrobialMicrobial Sensitivity TestsScotlandShigella sonnei--classification