Tietze, E Plasmid pattern analysis of natural bacterial isolates and its epidemiological implication. [electronic resource] - The Journal of hygiene Jun 1983 - 475-88 p. digital Publication Type: Journal Article ISSN: 0022-1724 Standard No.: 10.1017/s0022172400029119 doi Subjects--Topical Terms: Anti-Bacterial Agents--pharmacologyBacteriophage TypingDrug Resistance, MicrobialEscherichia coli--drug effectsKlebsiella pneumoniae--drug effectsPlasmidsProteus--geneticsProvidencia--drug effectsSalmonella typhimurium--classification