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.
Preservation of key biomarkers. Histogram of fold change in frequency for each OTU (compared to day 0 fresh frozen samples) after incubation for 4 days at ambient temperature in specimens collected using no-additive sampling (A, B) or FOBT cards (C, D) as determined by the Knight laboratory (A, C) and the Mayo Microbiome laboratory (B, D).
