An official website of the United States government
Here's how you know
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.
The gene copy number of Escherichia in the SS, SAP, and SAP + Zn groups (a). The gene copy number of Lactobacillus in the SS, SAP, and SAP + Zn groups (b). The gene copy number of Bifidobacterium in the SS, SAP and SAP + Zn groups (c).