Michopoulos, D Plasmid determined drug resistance in clinically isolated Escherichia coli. [electronic resource] - Methods and findings in experimental and clinical pharmacology Apr 1980 - 139-43 p. digital Publication Type: Journal Article ISSN: 0379-0355 Subjects--Topical Terms: Anti-Bacterial Agents--pharmacologyEscherichia coli--drug effectsEscherichia coli Infections--microbiologyHumansMicrobial Sensitivity TestsR Factors