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Comparison of C. coli PFGE banding patterns. Of the 88 C. coli strains isolated, 80 could be typed by this method. The assigned PFGE groups are indicated, as are the strain designations, the types of samples from which the strains were isolated, and the primary sampling squares. The dendrogram shows the results of a phylogenetic comparison. Control strain NCTC 11366 was included, but it was not placed in a PFGE group.
