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.
PCoAs of Bray-Curtis distances of different sample types. Lines between points denote identical samples prepared with the direct PCR (light dots) and DNA extraction (dark dots) methods. Values in brackets are the percent variances explained by the PCoAs.
