Plasmid profile of representative clinical isolates and transconjugants.

<p>1. <i>E. coli</i> 50192 (154-, 68-, and 36-kb), 2. pUA21 (275 kb), 3. 835, 4. T835, 5. 836, 6. T836, 7. 837, 8. T837, 9. 839, 10. T839, 11. 840, 12. T840, 13. 843, 14. T843, 15. T850, 16. 850, 17. 6737, 18. T6737, 19. 844. </p