Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dendrogram based on phylogenetic analysis of 37 environmental E. coli isolates using (A) ERIC-PCR, (B) REP-PCR, and (C) RAPD-PCR banding analysis by GelJ (29). Dotted boxes represent clusters in which most of them are segregated indicating clonality.
