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(a) Plasmid DNA profiles of clinical isolates E. cloacae 39 and 57; (b) Southern blots hybridized with an intI1-specific probe; (c) Southern blots hybridized with a blaVEB-1-like specific probe. Lanes A, V517 plasmid size marker; lanes M, 1-kb DNA marker; lanes 1, plasmid DNA profiles of E. cloacae 39; lanes 2, plasmid DNA profiles of E. cloacae 57; lanes 3, chromosomal DNA of E. cloacae 39; lanes 4, chromosomal DNA of E. cloacae 57.
